Our People
The O2X team is comprised of U.S. Special Operations veterans, first responders, elite athletes, and a continually growing network of human performance specialists who are subject matter experts and leaders in their respective fields.
Headquarters

Gabriel Gomez

Gabriel Gomez
Gabriel Gomez is Co-founder and CEO at O2X Human Performance. In his role, Gabriel orchestrates the comprehensive management of the organization while spearheading the strategic direction of O2X. As the company continues to expand rapidly, he works to drive competitive and profitable growth while managing risk across the entire business landscape. Gabriel also manages investor relations and steers O2X’s financial strategy through considerable scale year-over-year. As a founding member of O2X, Gabriel has been instrumental in all phases of the company’s life span: from formation to start-up, through rapid expansion, and the evolution of O2X into the world leader in human performance programs for tactical athletes. Gabriel’s leadership, vision, and financial stewardship has been pivotal to that success since the company’s organization.Prior to the founding of O2X, Gabriel worked in private equity at Advent International, Summit Partners, and Bowles Hollowell Conner and helped co-found the private equity firm Equality Asset Management. In 2013, Gabriel left Advent to run for the U.S. Senate seat vacated by John Kerry, winning the Republican Primary nomination in the special election.Gabriel is a graduate of the Harvard Business School and United States Naval Academy, serving as a Naval Aviator and SEAL officer before separating from service in 1996. Gabriel is only the second person in U.S. Navy history to have been an aircraft carrier pilot and then a Navy SEAL officer. In addition, he is a co-founder of the Navy SEAL Foundation New England and is a former Trustee on the board of Noble & Greenough School. Gabriel lives in Cohasset, MA with his wife and four children.

Paul McCullough

Paul McCullough
Paul McCullough co-founded O2X Human Performance in 2013 along with Adam La Reau and Gabriel Gomez, and serves as President. Paul’s vision steers the overall growth strategy of O2X, ensuring the company’s products and offerings are best positioned for maximum impact across current and future O2X clients. Paul is driven by a passion for supporting those who serve others, focusing on improving the health, safety, and performance of our nation’s tactical populations and elite organizations.Through the company’s formative years, Paul oversaw all areas business development, building a truly customized training platform that now services hundreds of federal, state, and local organizations across the United States. Paul guided the process of customizing O2X’s proven methodology to meet the unique demands of every client, leading the development of industry defining programs, products, and services.Prior to O2X, Paul served eleven years in the U.S. military as a Navy SEAL. He spent his career with SEAL Team Eight and Naval Special Warfare Development Group. Throughout his service, Paul conducted numerous combat deployments in support of Operation Iraqi Freedom, Operation Enduring Freedom, and other contingency operations around the globe. Paul left the Navy as a Chief Petty Officer and his highest awards include a Silver Star Medal, 2 Bronze Star Medals with Valor, and 2 Joint Service Commendation Medals with Valor.After leaving the Navy in 2012, Paul was hired at Eaton Vance Investment Managers where he worked in the Institutional sales team. He left Eaton Vance in 2014 to follow his passion for entrepreneurship and Human Performance. He has a Bachelor of Arts in Marketing from American Military University and resides in New England with his wife and four kids.

Adam La Reau

Adam La Reau
Adam La Reau co-founded O2X Human Performance in 2013 along with Paul McCullough and Gabriel Gomez, and serves as President. Under Adam’s leadership, the company relentlessly evolves its program offerings, products, and structure to meet the ever-changing demands placed on tactical athletes. Adam’s vision is for O2X to provide world class training and integrated educational experiences that improve the health, safety, and performance of our nation’s heroes.As O2X grew, Adam’s focus shifted toward the development of scalable operations and management systems, guiding the company from a regional startup to becoming the world leader in performance. Currently, the model supports a team of hundreds of human performance and on-site specialists, as well as innovative learning programs and technology.Prior to O2X, Adam was a former Lieutenant Commander in the United States Navy who began his military career as a Midshipman at the United States Merchant Marine Academy (USMMA). After graduating and earning his commission in 2002, he successfully completed the U.S. Navy’s Basic Underwater Demolition/SEAL (BUD/S) training to earn the title of U.S. Navy SEAL. After successfully completing BUD/S and advanced training, he spent his career with East Coast based Navy SEAL Teams. Over the next decade, Adam conducted numerous combat deployments.After leaving active duty in 2013, Adam pursued further education at the Harvard Kennedy School of Government and received a Master of Public Administration. Following his passions, he founded a non-profit called ‘One Summit’ to build resilience in children with cancer, which has helped hundreds of children and is active in four major cities. The results of the program are being utilized in post-traumatic growth studies to further support programs for children and veterans. Adam currently resides in Scituate, MA with his wife, son, and daughter.

Eamonn Burke

Eamonn Burke
Eamonn Burke is the Executive Vice President of Sales at O2X Human Performance, where he leads a nationally distributed sales team to drive revenue generation, client retention, and management. Eamonn’s strategic vision and leadership have been critical in positioning O2X as a leader in human performance programming for public safety departments across the U.S. His role involves crafting and executing business development strategies that fuel the company’s substantial year-over-year growth.Since joining O2X in 2016, Eamonn has played a pivotal role in shaping the company’s products and services. He spearheaded the implementation of a CRM system, structured an efficient sales pipeline, and built a decentralized sales team with nationwide coverage. His ability to foster meaningful relationships within the tactical community has been instrumental in driving O2X’s consistent annual revenue growth. Before O2X, Eamonn held key sales roles at security startups Resilient Systems and Rapid7, where he excelled in capturing new market opportunities.Eamonn is a graduate of The Catholic University of America and a former collegiate baseball player. A passionate endurance athlete, he has completed nine marathons, a half Ironman, and three Pan-Mass Challenges. Eamonn lives in Milton, Massachusetts, with his wife, Kelly, and their dog, Darcy, and enjoys pursuing his athletic interests alongside his professional endeavors.

John Vargo

John Vargo
John Vargo serves as the Senior Vice President of Municipal Sales at O2X, where he applies his tactical expertise, leadership skills, and business acumen to create impactful programs for state and local government organizations. He leads the municipal sales team, builds strategic partnerships, and executes business development strategies that drive success for municipal clients nationwide.Before joining O2X, John retired from a 20-year career with the Chandler Fire Department in Arizona, where he served as an Engineer Paramedic. During his tenure, he contributed as an IAFF Union Representative, an Apparatus Committee Member, and a co-founder of the Chandler FireFighter Athletic Association, supporting firefighter participation in the World Police and Fire Games. John also excelled as a real estate agent for 15 years and served as an Investment Adviser Representative (IAR), guiding his peers in asset diversification, portfolio management, and retirement strategies. After retiring, he founded Turn In, a nonprofit organization introducing first responders to mindfulness and meditation, and became a keynote speaker on first responder mental wellness.In 2019, John became an mPEAK-certified instructor through UC San Diego’s Center for Mindfulness and contributed as an instructor for the Chopra Global 21-Day Business Kickstarter in 2022. Residing in San Diego, CA, with his wife, John enjoys an active lifestyle that includes running, hiking, mountain biking, snowboarding, and yoga. He is a proud father of three adult children and a grandfather to two.

Blake Brinkerhoff

Blake Brinkerhoff
Blake Brinkerhoff is the Senior Vice President of Federal Sales at O2X, where he leverages his tactical expertise and leadership background to integrate performance programs into federal agencies. He oversees the federal sales team, focusing on building relationships, ensuring client retention, and driving business development strategies that align with the needs of the U.S. Government sector. His role is instrumental in fostering growth and success within the organization’s federal initiatives. Blake’s professional foundation was built during his 12-year career as a Navy SEAL, where he completed three deployments to over 20 countries. As a member of SEAL Team 4, he served as Lead Breacher and Assault Team Leader, managing high-risk missions with precision and strategic acumen. In his later years, Blake became the lead instructor for Close Quarters Combat at SEAL Qualification Training, where he trained and mentored over 300 SEAL candidates annually, shaping the next generation of special operators. Blake holds a degree in organizational leadership, earned during his active-duty service, and a Master of Business for Veterans (MBV) from the University of Southern California. Residing in Oceanside, CA with his wife and three children, Blake embraces his love of the ocean through surfing and spearfishing. His personal passions reflect his commitment to physical and mental resilience, which informs both his work and leisure activities.

Jason Carver

Jason Carver
Jason Carver is the Senior Vice President of Strategic Partnerships at O2X Human Performance, where he oversees activities with a focus on sustainable and profitable growth. He leads the Federal Sales team, driving business development, client management, and event coordination across the nation. Jason’s leadership ensures that O2X continues to provide impactful human performance solutions to federal clients nationwide. Before joining O2X, Jason served for 21 years in Naval Special Warfare as a Navy SEAL. During his distinguished career, he held leadership roles on SEAL Teams, was a founding member of a Special Reconnaissance Team, and served in staff positions at Naval Special Warfare Command and Naval Special Warfare Unit Ten. Jason became a dedicated advocate for human performance, emphasizing the integration of physical health, nutrition, sleep, injury prevention, and mental resilience into tactical readiness. Additionally, he co-founded Outlier CrossFit in San Diego, managing operations, scaling the business, and sponsoring a team that competed at the CrossFit Games. After four years, Jason and his co-founders successfully exited the business for profit.Jason has a passion for sports and outdoor activities, enjoying mountain biking, snowboarding, working out in his home gym, and tackling endurance challenges. Based in San Diego, CA, he continues to pursue his commitment to fitness and human performance both personally and professionally.

Zack McAdams

Zack McAdams
Zack McAdams is the Senior Vice President of Training & Education at O2X, where he brings more than a decade of experience as a tactical athlete and a passion for career longevity to his role. Zack oversees all aspects of O2X’s in-person and virtual training and education programs, managing hundreds of global events each year. His responsibilities include overseeing specialist training and staffing, event planning and client coordination, forecasting personnel and equipment needs, logistics, inventory management, staff training and feedback, and budget management. Zack’s leadership ensures the seamless delivery of O2X’s world-class programs that support tactical athletes.Prior to joining O2X, Zack served 13 years in the U.S. Army as an Infantry Officer, where he earned the rank of Major. Throughout his career, Zack served in various leadership positions across the Army, including the 101st Airborne Division, 25th Infantry Division, and 10th Mountain Division. His roles ranged from teaching and advising to logistics, operations, and command, with multiple combat deployments to Afghanistan. Zack concluded his Army career as an Operations Officer and Executive Officer at the Battalion level, leading the planning, resourcing, and synchronization of operations for an 800-soldier infantry unit. He was medically retired in July 2022 due to career and combat-related injuries, which led him to the O2X team. Zack is driven by a passion to provide world-class training that improves the health, safety, and performance of our nation’s heroes.Zack holds a bachelor’s degree from Bridgewater State College and a master’s degree from the U.S. Army Command and General Staff College. He currently resides on the South Shore with his wife, Jen, and their daughter, Delaney. In his personal time, Zack is committed to family and enjoys staying active and engaged in his community. His experience, dedication, and commitment to improving the lives of others make him a valued leader at O2X.

Ali Levy

Ali Levy
Ali Levy serves as the Vice President of Sales Operations at O2X Human Performance, where she leverages over a decade of experience in the human performance industry. In her role, Ali collaborates across departments to develop systems and strategies that enable the sales team to focus on revenue generation, client retention, and program implementation. As one of O2X’s founding team members, she is instrumental in shaping internal processes and ensuring the company’s evolution aligns with its core values and mission. Ali has held various impactful roles at O2X, including Director of Education, where she partnered with leading researchers and experts to create tailored programs for clients. She also contributed to the company’s literary projects, including co-authoring Human Performance for Tactical Athletes and a chapter in Surviving the Fire Service. Before that, as Director of Operations, Ali led the logistics and execution of O2X’s in-person training programs nationwide. Drawing on her background as a Mental Performance Specialist, she has delivered sessions on goal setting, resilience, and performance psychology. Prior to her career at O2X, Ali competed on the U.S. Freestyle Ski Team, achieving titles such as 2x North American Cup Grand Prix Champion and competing at the World Cup level.In 2015, Ali was inducted into the Ski & Snowboard Club Vail Hall of Fame and Wall of Excellence. After retiring from competitive skiing, she earned a B.A. in Geography from Middlebury College, where she also competed in track and field. She later completed an M.Ed. in Sport Psychology and Counseling at Boston University. Ali continues to pursue athletic challenges, including completing a 1,100-mile cycling trip and multiple 50-mile ultramarathons. She balances her passion for endurance sports with her love for skiing and spending time outdoors.

Dan Hartig

Dan Hartig
Dan Hartig is Vice President of Engineering and Digital Products at O2X where he brings a background as an engineer, architect and leader to delivering innovative software solutions to our nation’s first responders, frontline workers, and tactical athletes. Throughout his career, Dan has excelled in implementing large-scale technology solutions in multiple industries. His background includes leading multi-disciplinary teams, refining software development lifecycles and developing software architectures to meet the ever-changing needs of growing teams. Dan enlisted in the United States Marine Corps in 2002, soon after the 9/11 attacks. He was selected for an officer candidate program in 2004. Dan graduated the United States Naval Academy as a Trident Scholar with a degree in Computer Science in 2008 and went on to serve as a Nuclear Surface Officer aboard USS Robert G Bradley (FFG-49) and USS George H W Bush (CVN-77). After leaving the Navy in 2015, Dan worked as a software engineer for the intelligence community at Zeta Technologies, followed by stints with PricewaterhouseCoopers, Sezzle and Best Buy. Dan brings a breadth of experience at companies from start ups to top national e-commerce retailers to the O2X team.Dan lives in Minneapolis, Minnesota with his wife, Darray and four children. In his free time, Dan smokes meats for hundreds at summer holiday parties and church picnics and is looking forward to his next career as an award winning pit master.

Meaghan Kirby

Meaghan Kirby
Meaghan Kirby is the Vice President of Education at O2X, where she collaborates with leading researchers and experts to develop customized, integrated programs designed to address the unique challenges faced by tactical athletes and elite organizations. In this role, Meaghan oversees comprehensive data analysis and organizational reporting, focusing on impact assessment. She is also responsible for creating detailed reports for agencies to demonstrate the tangible effects of O2X’s Integrated Specialist Programs and educational training events. Meaghan has held several roles at O2X, where she has contributed to both the Client Services and Education departments. As the Education & Reporting Manager, she worked closely with teams across the company to develop customized reports that illustrated the effectiveness of the Integrated Specialist Programs and workshops. Before this, she served as the Client Services Manager, where she led the creation of educational content and implemented reporting systems. Meaghan’s experience at O2X has been instrumental in delivering timely, professional customer service while helping to enhance the impact of the company’s programs. Meaghan holds a Master of Education in Coaching and a Bachelor of Science in Psychology, both from Boston University. As an undergraduate, she was a distance swimmer on the BU Swimming and Diving team and a former USA Swimming Senior National Qualifier in distance freestyle and backstroke. Meaghan’s passion for sports and wellness is deeply personal, stemming from a family history of first responders. Her great-grandfather was a firefighter in Lowell, MA, her grandfather served as a Captain in the Massachusetts State Police, and her cousin is a police officer in Boxborough, MA. Working with O2X provides Meaghan with the opportunity to give back to the first responder community and contribute to their health and wellness.

Lorenzo Romolo

Lorenzo Romolo
Lorenzo Romolo is the Vice President of Human Performance Integration at O2X, where he ensures the seamless implementation of O2X’s programs within client organizations. In this role, he manages client relationships and oversees national programs, focusing on impact delivery across various sectors. Lorenzo’s responsibilities include overseeing the On-Site Specialists, data analytics, impact tracking, and customer service to ensure the effective integration of human performance programs that drive results for O2X’s clients. Lorenzo began his career with O2X as a lead instructor, leveraging his operational experience to deliver training and education events for first responders, federal agencies, and military personnel. He was later promoted to On-Site Specialist Program Manager, where he played a pivotal role in expanding the program across the Army and Air National Guard, fire departments, and the Department of Justice. Lorenzo’s leadership was instrumental in establishing O2X as a trusted partner in human performance within these critical sectors. Originally from Australia, Lorenzo retired from Special Operations Command Australia after a distinguished 15-year career in the Army. During his time as a Special Forces Operator, he deployed to Afghanistan, Iraq, and East Timor, working alongside U.S. Special Operations. He also served in various leadership roles in domestic counterterrorism teams and worked with Australia’s Joint Counter Terrorism and Tactical Police Teams, as well as the FBI HRT. Lorenzo holds a CF-L1 certification and has competed at the CrossFit Regionals. Now based in North Carolina, he enjoys mountain biking, water skiing, and hiking in his free time.

Crystal Vidas

Crystal Vidas
Crystal Vidas is the Vice President of People Operations at O2X, where she leads the organization’s people strategy and plays a pivotal role in fostering a high-performance environment. She oversees all HR and administrative functions, ensuring the company scales effectively while supporting its continued growth. Crystal’s leadership ensures alignment with O2X’s overarching strategy, cultivating an environment of growth and success for team members. In addition to her broader HR responsibilities, Crystal also oversees the recruitment, selection, and training of O2X Employees in key operational roles, contributing to the organization’s ability to attract and retain top talent. Before joining O2X, Crystal spent six years with lululemon, where she led multiple stores in the Philadelphia region. Her journey with the company culminated in the successful opening of a new store in Delaware. Throughout her time at lululemon, she consistently exceeded sales targets, achieved high employee engagement scores, and maintained strong ties with the local community. Prior to her retail career, Crystal spent the first decade of her professional life as a Certified Athletic Trainer. She worked in various locations including Oregon, Virginia, California, and Taiwan, and made significant contributions, such as standing up a sports medicine program at Taipei American School. There, she built a multi-disciplinary team that supported the unique needs of student athletes.Crystal earned a Bachelor of Science in Exercise Science from Oregon State University and her Master of Science in Education through the Post Professional Athletic Training Education Program at Old Dominion University. Her diverse career path also reflects her passion for outdoor adventure and athleticism. Crystal has been a competitive CrossFit athlete, participating in regional competitions three times, and transitioned into ultra-endurance sports. One of her most notable accomplishments was an unsupported rim-to-rim-to-rim run of the Grand Canyon, completed with her husband in 16.5 hours. Outside of her professional and athletic pursuits, Crystal is a dedicated mother of three boys, aged 7, 4, and 9 months, and enjoys exploring new adventures with her family.

Brendan Stickles

Brendan Stickles
Brendan Stickles is the Vice President of Government at O2X, overseeing Federal Government Accounts. He joined the O2X team in September 2023 after serving as a consultant with Boston Consulting Group. Prior to that, Brendan served as the Special Advisor for Defense to Vice Presidents Kamala Harris and Mike Pence. During his two years at the White House, he managed a wide-ranging portfolio that included veterans’ issues, national security, defense innovation, and military personnel and readiness as Director on the National Security Council. Before transitioning to his advisory roles, Brendan had a distinguished career as a Navy Commander, flying jets for over 18 consecutive years and completing more than 550 carrier landings. On his final operational deployment aboard the USS Eisenhower, he commanded an EA-18 squadron that earned two consecutive “Battle E” awards for combat efficiency during Operation Inherent Resolve. Among his proudest moments in the cockpit was performing the 2008 Major League Baseball Opening Day flyover for his favorite team, the New York Mets. Originally from Glen Rock, New Jersey, Brendan graduated from the U.S. Naval Academy with a degree in history. He also earned an MBA from the University of North Carolina and an MPA from Harvard. Brendan lives in Bethesda, MD, with his wife and their three school-aged children.

Cole Hatcher

Cole Hatcher
Cole Hatcher is an Assistant Vice President of Municipal Sales at O2X. In this role, he applies his tactical experience, leadership skills, and subject matter expertise to deliver customized programs to local government organizations. His primary responsibilities include building and maintaining client relationships, ensuring retention, and managing impactful programs that support the unique missions of each organization he serves. Before joining O2X, Cole served as a Special Agent specializing in cases involving gang violence, firearms, and narcotics trafficking. Prior to his federal service, he spent four years on active duty as a Sergeant in the United States Army with F Co 51st Long Range Surveillance Company, where he was part of a military freefall team. During his Army tenure, Cole trained soldiers in surveillance tactics and physical fitness, fostered partnerships with allied forces, and completed advanced training, including the Reconnaissance and Surveillance Leaders Course (RSLC), Pathfinder School, and the Military Freefall Parachutist Course (MFFPC).Cole earned a degree in accounting from the University of Arizona and has worked in various accounting and finance roles. A proud Arizona native, he has a deep passion for the outdoors and spends his free time traveling, hiking, visiting the beach, or competing in trail races and local CrossFit competitions.

Brian Christianson

Brian Christianson
Brian Christianson is an Assistant Vice President of Municipal Sales at O2X Human Performance and a 16-year U.S. Army veteran. In this role, he combines his passion for improving performance and longevity with over a decade of experience building comprehensive human performance programs. Prior to moving into leadership, Brian served as a Lead Instructor at O2X, where he worked directly with tactical athletes to implement training and education that elevated resilience, readiness, and long-term health.
Brian’s military career began in 1999 as a Combat Engineer, completing two deployments to Kosovo, one to Iraq, and one to Afghanistan before transitioning into Civil Affairs. Throughout his career, he held roles including Team Leader, Squad Leader, Team Sergeant, and Joint Plans and Operations NCO. He deployed alongside elite units such as Army Rangers and Navy SEALs and later trained future warfighters as a hand-to-hand combat and advanced weapons/tactics instructor. Following his service, Brian continued to support tactical readiness by opening a CrossFit affiliate, earning both a bachelor’s degree in Exercise & Sports Science from Texas State University and a master’s degree in Exercise Science & Wellness: Fitness and Performance from Liberty University. His experience also includes work as a Nutrition Health Educator with the Army’s Holistic Health and Fitness (H2F) program, where he designed and delivered evidence-based strategies to optimize nutrition and performance.
Outside of work, Brian is an avid outdoorsman and competitor. He enjoys competitive shooting, golf, hunting, and sports, and values time spent in the outdoors with his family. Whether on the range, on the course, or simply outside with his loved ones, Brian continues to embody the same commitment to discipline, growth, and resilience that has defined both his military and civilian career.

Ryan Solley

Ryan Solley
Ryan Solley is the Assistant Vice President of Municipal Sales at O2X, supporting municipal agencies in building readiness, resilience, and long‑term human performance. He spent over a decade in the U.S. Army, with the majority of that time serving in Army Special Forces as a Green Beret. Throughout his career, he completed multiple deployments and held leadership roles centered on team development, training, and operational performance.
After transitioning from the military, Ryan spent two years with the National Guard Human Performance and Wellness Program, where he helped stand up and lead their Strength and Conditioning Program. He later earned a master’s degree in Human Performance and has since applied his operational and academic background to coaching, leadership development, and performance optimization across tactical and civilian populations.
Ryan lives in Florida with his wife and two children, staying active through outdoor adventures, travel, and community involvement.

Robert Kelly

Robert Kelly
Rob Kelly is an Assistant Vice President at O2X Human Performance, where he specializes in building strategic partnerships and supporting clients’ unique operational needs. Leveraging his extensive military background and deep understanding of Department of Defense operations, along with corporate industry experience, Rob implements performance programs tailored to the demands of military and federal agencies, municipal departments, and private-sector organizations. His work focuses on delivering innovative solutions that enhance warfighter readiness, improve operational efficiency, and drive measurable success for the teams he serves.
Rob served 11 years as a Surface Warfare Officer in the United States Navy, completing multiple overseas deployments aboard operational warships. Throughout his service, he held key leadership roles including Visit, Board, Search, and Seizure (VBSS) Boarding Officer, Damage Control Assistant, Weapons Officer, and Combat Systems Officer, while also leading ship navigation operations worldwide. He graduated from the United States Naval Academy and later earned a Master of Business for Veterans (MBV) from the USC Marshall School of Business.
Originally from Coronado, California, Rob developed a passion for surfing and lacrosse and earned the rank of Eagle Scout. He now resides in Charleston, South Carolina with his wife and three children and enjoys surfing, training Jiu-Jitsu, and creating memorable experiences with his family.
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Jordan Smith
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Jordan Smith
Jordan Smith is an Assistant Vice President of Federal Sales at O2X, where he draws on his leadership experience and operational background to deliver tailored human performance solutions to federal clients. In his role, he builds and maintains relationships with government agencies and implements performance solutions that improve resilience, strengthen readiness, and drive mission success.
Prior to joining O2X, Jordan attended the United States Military Academy at West Point, where he played defensive end for the Army Football Team and graduated in 2017 before commissioning as a Field Artillery Officer. Over his eight years of Army service, he held a variety of leadership roles, including Platoon Leader, Fire Support Officer, and Battery Executive Officer with the 1st Brigade, 1st Armored Division at Fort Bliss, Texas, as well as Battery Commander with the 434th Field Artillery Brigade at Fort Sill, Oklahoma. He concluded his military career as a Team Leader with the Defense POW/MIA Accounting Agency in Hawaii, where he led global recovery missions throughout Southeast Asia, Europe, and China in search of U.S. service members who remain unaccounted for from past wars and conflicts.
Originally from Oceanside, California, Jordan and his wife are raising their two children in their hometown community. Passionate about fitness and the outdoors, he enjoys strength training, surfing, and spending time with his family.

Rachel Miller

Rachel Miller
Rachel Miller is the Assistant Vice President, Operations at O2X. In this capacity, she manages the staffing, planning, travel, and execution of O2X’s programs throughout the year. Rachel oversees a network of over 250 O2X subject matter experts and instructors, ensuring seamless operations for each event. She is committed to building strong relationships, growing the O2X family network, and fostering a positive and rewarding work environment for current staff, creating a culture of support and collaboration.
Before joining O2X, Rachel worked in the Events and Experiences team at Fenway Sports Management, the sports marketing agency of the Boston Red Sox and Fenway Sports Group. In her role, she managed fan travel experiences, corporate events, and brand activations for several FSG entities and partners, including the Boston Red Sox, Texas Rangers, Washington Nationals, Liverpool F.C., Jim Beam, Dunkin’, and the Red Sox Foundation. Her diverse experience in sports marketing and event management gave her a strong foundation in large-scale event coordination. Rachel also holds a Master’s Degree in Broadcast Journalism with a sports focus from Boston University, where she completed her undergraduate degree in Journalism.Rachel was a standout member of the Women’s Soccer team at Boston University, where she was a two-time captain, two-time All-Patriot League selection, and three-time Patriot League Champion. Her dedication to sports extended beyond her college career, as she traveled to Uganda with Coaches Across Continents to promote the power of sport for social impact. After her soccer career, Rachel ran the Boston Marathon to raise funds for the Boston Bruins Foundation, igniting her passion for running and endurance training. Born and raised in South Shore, MA, Rachel is a member of the East Bridgewater High School Athletics Hall of Fame for her achievements in soccer and track and field.
In her free time, she enjoys spending time with her family, dog, and exploring the outdoors.

Crystal Schurko

Crystal Schurko
Crystal Schurko is a Senior Front End Engineer at O2X, where she focuses on web and mobile development, introducing new features and intuitive designs that enhance the user experience. With a strong background in operations, she also plays a key role in optimizing the agile development process, helping to ensure efficient collaboration between engineering and product teams.Before joining O2X, Crystal led software engineering efforts in the healthcare and publishing industries, serving as a Lead Software Engineer at Florida Blue and Banyan Hill Publishing. She has worked across diverse industries, including client-facing development at MercuryWorks and earlier experience in embedded systems at Magic Leap. Her expertise spans frontend development, agile methodologies, and product-driven engineering, allowing her to bridge technical challenges with user needs. Crystal has a rich background in certifications and technical achievements, including winning hackathons and earning credentials in areas such as full-stack web development, embedded systems, and modern frontend frameworks like React and Next.js.Outside of work, she is an avid reader, researcher, and designer, always exploring new ways to expand her knowledge. She lives in South Florida with her husband and two daughters.

Daniel Velez

Daniel Velez
Daniel Velez is a Senior Mobile Engineer at O2X, where he leads the development of high-performance mobile applications that drive forward the company’s mission to optimize human performance. With a foundation in business and a passion for technology, Daniel brings a strategic mindset to mobile engineering, creating seamless and intuitive user experiences that meet real-world needs.
Prior to joining O2X, Daniel played key roles at companies such as Reggora, Dragon Army, and TrueNorth, where he contributed to the design and deployment of impactful mobile solutions across diverse sectors. His strengths lie in solving complex technical challenges, writing clean and maintainable code, and fostering strong collaboration across teams. Daniel made the leap into tech in his late twenties and has since carved out a path defined by growth, curiosity, and a relentless drive to improve. His work reflects a deep commitment to learning and pushing the boundaries of what’s possible in mobile development.
Outside of engineering, Daniel is a dedicated enthusiast of combat sports and soccer, and enjoys any challenge that pushes him to grow, both personally and professionally.

Jeremy Petronella

Jeremy Petronella
Jeremy Petronella is the Senior Product Manager at O2X Human Performance, leading the strategy, design, and development of the company’s digital products that support tactical athletes and the organizations that rely on them. He blends product leadership with real-world operational insight to create tools that are intuitive, resilient, and mission-ready. Jeremy works cross-functionally with internal teams and end users to ensure O2X’s digital solutions enhance readiness, performance, and long-term well-being across the tactical community.
Before joining O2X, Jeremy built a career at the intersection of public safety, technology, and human performance. He previously shaped product direction for Active911’s nationwide emergency alerting platform, designing tools used in high-stress, time-critical environments. His perspective as both a product leader and an end user is grounded in more than 25 years of fire service experience spanning operations, training, and readiness development. In addition to his service background, Jeremy is a longtime fitness entrepreneur who has owned and operated two CrossFit gyms—including one in Cabo San Lucas, Mexico—where he coached athletes and developed programming tailored to elite performance and tactical demands.
Jeremy’s approach is rooted in a lifelong commitment to learning, human performance, and community. He and his wife, Kari, live in Oregon with their dog, Murph, where they stay connected to the outdoors and an active lifestyle that fuels their passion for health and performance. Outside of his work at O2X, Jeremy continues to pursue education, coaching, and personal development initiatives that strengthen his ability to serve the tactical population.

Ashley Roberts

Ashley Roberts
Ashley Roberts is the Manager of Recruiting and Talent at O2X, where she plays a crucial role in supporting the People Operations team. Her primary responsibility is attracting top talent to O2X and guiding candidates through an efficient interview and onboarding process. In addition to her talent acquisition duties, Ashley is also involved in supporting employee engagement and development across all departments, helping O2X build and sustain a dedicated and skilled team as the company continues to grow.With over 8 years of experience as a certified athletic trainer, Ashley has worked in a variety of environments, including secondary schools, collegiate athletics, military settings, and industrial contexts. Her passion for serving military personnel and veterans is deeply personal, as she is the spouse of a Marine veteran. This connection fuels her work and drives her commitment to supporting those who serve. Before her current position, Ashley contributed significantly to hiring and onboarding new athletic trainers and served as an industrial athletic trainer, where she gained a broad range of knowledge and honed her expertise in multiple sectors.Ashley holds a Master of Science in Athletic Training from the University of Central Oklahoma, providing her with a strong foundation to excel in her profession. Outside of her work, she enjoys staying active through workouts, outdoor adventures such as boating, and spending quality time with her family, including her daughter and two beloved pit bulls. Ashley’s vibrant personality, strong work ethic, and unwavering dedication make her a valued asset to both O2X and her community.

Joe McCullough

Joe McCullough
Joe McCullough is the Manager of Marketing at O2X, where he is responsible for creating, planning, and executing the company’s marketing initiatives. His work includes managing social media, email campaigns, public relations, the O2X Human Performance Podcast, and the company’s blog. Joe’s role is central to promoting O2X’s mission and educating the public on the importance of human performance, especially within tactical communities. Before joining O2X, Joe received a conditional appointment to the United States Merchant Marine Academy (USMMA), where he enrolled in 2014 after completing a preparatory program at the New Mexico Military Institute. While at USMMA, Joe was a founding member of the Kings Point Endurance Club, served as a 3/C Petty Officer to the Regimental Commander, and sailed as a cadet aboard the S.S. Horizon Pacific. In June 2016, Joe suffered a cervical level spinal cord injury that left him a quadriplegic. After undergoing months of intensive therapy and rehabilitation, he regained enough function to live independently, a testament to his resilience and problem-solving skills honed during his time at the Academy. Joe attended the United States Merchant Marine Academy as part of the Maritime Logistics and Security Program, where he gained valuable leadership and problem-solving experience. Despite the challenges posed by his injury, Joe’s determination and adaptive mindset have shaped his professional journey. Since his recovery, Joe has built a successful career with O2X, holding roles as Operations Coordinator and Experience Coordinator before becoming Marketing Manager. Outside of work, Joe’s perseverance and growth post-injury continue to inspire those around him.

Daniel Williams

Daniel Williams
Daniel Williams is the Manager of Integrated Programs for O2X Human Performance on the West Coast. Starting as an On-Site Human Performance Specialist specializing in Strength & Conditioning, Daniel has cultivated extensive expertise in supporting tactical athletes. With over 12 years of experience in the human performance field, Daniel has a deep passion for working with tactical athletes, helping them achieve peak performance and resilience. Since 2015, Daniel has served as a Human Performance Specialist in the special operations community. His career began with the Air Force Special Operations Command, working with the 24th Special Operations Wing, Special Tactics Training Squadron (STTS). After two years with STTS, Daniel transitioned to Naval Special Warfare Group 1, where he spent over four years supporting Navy SEALs in optimizing their performance and readiness. Daniel’s dedication to human performance and his extensive experience make him an invaluable resource for tactical professionals committed to achieving operational excellence.

Mark Christiani

Mark Christiani
Mark Christiani serves as the East Coast Human Performance Integration (HPI) Manager for O2X Human Performance, where he supports and develops On-Site Specialists across multiple locations while helping integrate strength and conditioning, injury prevention, and holistic human performance programs for tactical and industrial organizations.
Prior to this role, Mark worked as an On-Site Human Performance Specialist supporting the United States Army Reserve 81st Readiness Division, where he delivered strength and conditioning support aimed at improving Soldier readiness and reducing injury risk. Before joining O2X, he served as a Brigade Lead Strength and Conditioning Coach at Fort Bragg and held collegiate strength and conditioning positions at Savannah State University and University of South Carolina.
Mark is an Army veteran with over a decade of experience in tactical strength and conditioning. He holds a Master of Science in Sports Medicine from Georgia Southern University and is a Certified Strength and Conditioning Specialist (CSCS) through the National Strength and Conditioning Association.

Dave Burke

Dave Burke
Dave Burke is the Operations Coordinator at O2X, where he is a key member of the Operations department. In this role, Dave manages logistics to support O2X’s events and on-site specialists, ensuring smooth execution across all programs. He is responsible for organizing shipping to and from events nationwide, ensuring that every O2X training program is fully equipped and operational. As O2X continues to grow, Dave plays a critical role in enhancing processes and strengthening the O2X brand through innovative solutions and creative problem-solving.Before joining O2X, Dave served as a manager at a local beach in Cohasset, MA, where he worked closely with first responders, including emergency management teams and the local fire and police departments. During this time, Dave designed and implemented safety procedures and fitness programs, significantly improving team training and promoting a safer beach environment. His experience in program management and team leadership in a high-stakes setting provided him with valuable skills that he brings to his role at O2X, ensuring that each event is prepared for success.Dave earned his Bachelor’s degree in Entrepreneurship in May 2022 and is currently pursuing his MBA at Lasell University. As a two-time captain of the Lasell Men’s Lacrosse team, Dave led his team to a Greater Northeast Athletic Conference championship and was a multi-year all-conference player, also being a finalist for Defensive Player of the Year as a SSDM. Raised on the Massachusetts South Shore, Dave is passionate about competition, teamwork, and adventure. In his personal time, he enjoys traveling, surfing, and spending time with his family, friends, and three dogs.

Joshua Stuart Shor

Joshua Stuart Shor
Josh Stuart-Shor is a Manager of Integrated Programs for O2X and a Lead Instructor. In this capacity, Josh ensures that the needs of all tactical athletes and client organizations are met through regular engagement and on-site coordination. His role is pivotal in maintaining the effectiveness of O2X’s human performance programs, working directly with clients to ensure optimal program implementation and support. Prior to joining O2X, Josh served in the United States Army, initially as an Infantry Officer in the 82nd Airborne Division before transitioning to a Green Beret with the 3rd Special Forces Group at Fort Bragg, NC. Throughout his military career, Josh completed several combat deployments across Iraq, Afghanistan, and Central Asia, earning numerous combat awards and decorations. During 2015 to 2016, Josh was involved in the Army’s Tactical Human Optimization Rapid Rehabilitation & Reconditioning Program (THOR3) to recover from injuries sustained during combat. This experience fueled his passion for human performance, inspiring him to help others recover physically and mentally to return to duty.After nearly a decade of service, Josh transitioned out of the Army to pursue new opportunities. In addition to his role with O2X, he works as a Lieutenant for a major metropolitan fire department. Josh holds a Master’s degree in Conflict Resolution from the University of Massachusetts at Boston. He currently resides in Boston, MA, with his wife, Jessica, their four children—Camden, Abigail, Harrison, and Anne—and their dog, Buck. In their free time, the family enjoys skiing, hiking, and fly-fishing in the mountains of Vermont.

Alyssa Cafarelli

Alyssa Cafarelli
Alyssa Cafarelli is the Content & Education Coordinator at O2X, where she collaborates with various departments to help deliver high-impact training and education resources, marketing materials, and client reports. In this role, Alyssa plays a key part in ensuring that O2X’s materials meet the needs of tactical athletes and organizations, contributing to the development of effective resources that support health, performance, and recovery. Her ability to work across departments helps ensure seamless delivery of impactful content that benefits O2X’s clients and mission.Before joining O2X, Alyssa worked as a preschool teacher for six years, a role that nurtured her passion for education and creativity. Her experience in education has fueled her desire to help others learn and grow, which she continues to do at O2X by creating and managing content. Alyssa also comes from a family of tactical athletes, which influenced her deep connection to O2X’s mission of supporting those who serve and protect the country. Her background in both teaching and content creation has made her an essential part of the team at O2X.Alyssa earned a Bachelor’s degree in Communications and Media from Plymouth State University, where she graduated Magna Cum Laude and was a member of the Communications National Honors Society, Lambda Pi Eta. While attending Plymouth State, Alyssa developed a passion for health and fitness by creating digital content for the university’s recreation department. In her personal life, Alyssa is passionate about giving back to the tactical community and continues to find inspiration in the work of those who serve the country.

Brooke Williams

Brooke Williams
Brooke Williams is the Inside Sales Representative at O2X, where she plays a crucial role in supporting O2X’s Human Performance Business Development.
Before joining O2X, Brooke worked with enterprise organizations in SaaS sales, where she focused on implementing scalable solutions and streamlining content experiences for clients. Her background in business and technology helped her develop a keen understanding of operations and project management. Additionally, Brooke’s entrepreneurial studies at Bryant University sparked a deep passion for health and wellness, which led her to earn certifications in Nutrition and Personal Training, complementing her work in business. Brooke graduated from Bryant University with a Bachelor’s Degree in Business Administration and Entrepreneurship. While at Bryant, she co-captained the university’s first Women’s Club Lacrosse team during its inaugural season, showcasing her leadership skills and love for competitive sports. Brooke also studied international business abroad in Uruguay and Argentina, cultivating a passion for cultural exchange and travel.
Raised in a family of service members, both military and first responders, she has a strong commitment to giving back to tactical communities. In her free time, Brooke enjoys traveling, staying active, and contributing to causes that support those who serve others.

Elmer Diaz

Elmer Diaz
Elmer Diaz is the Creative Content Specialist at O2X, where he produces high-quality visual content to advance the company’s mission. With a focus on delivering engaging and impactful media, Elmer specializes in creating storytelling visuals that resonate with diverse audiences across multiple platformsWith over five years of experience in the field, Elmer has built a diverse portfolio of work. He previously served as the Media Director at SoldierfitHQ, where he developed and managed multimedia projects. Additionally, Elmer has collaborated on various freelance projects with renowned brands such as CBS Sports and Lululemon, showcasing his versatility and creativity in video production.Elmer holds a Bachelor’s degree in Communication Arts from Hood College, where he developed a foundation in storytelling and media production. Outside of his professional life, he enjoys exploring the visual arts, diving into films, and spending quality time with his family. Elmer’s passion for storytelling continues to inspire both his professional work and personal pursuits.

Hugh Hamill

Hugh Hamill
Hugh Hamill is the Logistics Coordinator at O2X, where he is an integral member of the operations team. In this role, Hugh is responsible for managing the logistics and operational requirements for O2X Human Performance events and On-Site Specialists. He oversees the coordination, organization, packaging, and shipment of materials to various events across the country, ensuring everything is delivered on time and in perfect condition. Additionally, Hugh helps manage inventory and logistical needs at O2X’s headquarters, playing a key role in maintaining efficient operations.Before joining O2X, Hugh gained valuable experience as a supervisor within the Intramural Athletic Board at Providence College, where he developed his passion for sports, health, and physical well-being. This role allowed him to gain leadership experience and further his interest in the logistics of athletic events. Hugh also worked as a marketing intern at a local bank on the South Shore of Massachusetts, where he honed his skills in communication and organizational support, contributing to his broad experience in both operations and marketing.Hugh graduated from Providence College in May 2023 with a major in marketing and a minor in sociology. Growing up on the South Shore of Massachusetts, Hugh was an avid sports fan and played multiple varsity sports during his time at Marshfield High School. Outside of work, Hugh enjoys spending time with friends and family, skiing, and staying active outdoors. His love for sports and fitness continues to drive his personal and professional endeavors.

Ashley Tropea

Ashley Tropea
Ashley Tropea is an Education & Curriculum Coordinator at O2X, based in Massachusetts, where she utilizes her extensive expertise in human performance, injury prevention, and musculoskeletal injury management to design and implement educational programs. In this role, she develops content and training aimed at helping tactical professionals enhance their performance, resilience, and recovery. Ashley excels at simplifying complex medical and performance concepts into practical, engaging materials, ensuring they can be easily applied by professionals across various industries to improve both their physical and mental well-being.Before transitioning to her role as an Education Coordinator, Ashley worked as an on-site Human Performance Specialist for O2X, where she directly supported industrial athletes in optimizing performance and reducing injury risks. This hands-on experience with tactical athletes has greatly influenced the educational programs she now creates. Prior to joining O2X, Ashley spent several years working as a state-licensed, nationally certified Athletic Trainer in both athletic and clinical settings. Notably, she spent five years as the primary athletic trainer at a high school, managing injury prevention and rehabilitation. She also collaborated with orthopedic surgeons in a hospital’s sports medicine department and rehabilitation clinics, gaining significant experience in musculoskeletal care.Ashley earned her Bachelor of Science in Athletic Training from Bridgewater State University in 2015. She continued to expand her expertise in patient education, wound care, casting and bracing, and durable medical equipment application during her time in an orthopedic surgical clinic. Born and raised on Cape Cod, Massachusetts, Ashley is passionate about hiking with her dog, reading, and spending quality time with her friends and family. Her background in injury prevention, rehabilitation, and education allows her to continue impacting others’ well-being by providing valuable insights into performance and recovery.

Kayla Stoneback

Kayla Stoneback
McKayla Stoneback was the first On-site specialist for O2X. She started with O2X in 2019 as the On-Site Specialist for Frederick County Fire and Rescue Services in Frederick, Maryland. She has worked with the tactical population for over eight years now, implementing annual movement screenings, pre-habilitation programs, tactical strength and conditioning programs, and developing an overall health and wellness program for career fire departments. Since then, she has relocated to the Midwest and continues to work with O2X HQ in a new role.
McKayla graduated with a B.S. Exercise Science and a minor in Nutrition. Her experience in human performance started on the athletic side, working with athletes of all ages and ability levels. From there, she wanted to expand her experience and knowledge in the human performance field and became involved with the tactical side of human performance. Kayla then went back to continue her education and graduated with a Masters of Science in Kinesiology and Outdoor Recreation: Sports Performance & Conditioning from Southern Utah University. She chose to complete her Master thesis research within the tactical population. Her research was focused on identifying the significance of the relationship between the physical demands of firefighting and the physical fitness qualities of firefighters. Her research was then published. In addition, McKayla is also a certified Pregnancy & Postpartum Corrective Exercise Specialist and Athleticism Coach.
Outside of work you will find Kayla spending time with her family and friends, enjoying the outdoors, and making many firehouse visits to see her husband who is a career firefighter for Saint Paul Fire Dept. They enjoy working out together and staying active. Kayla enjoys fishing, camping, hiking, hunting, and staying active with her husband and 2 young kids.
Specialists
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Nick Biase
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Nick Biase
Nick Biase, RDN, CSSD obtained his bachelor’s degree in Foods and Nutrition from San Diego State University then completed his dietetic internship with the VA of Greater Los Angeles and Naval Special Warfare Group One. Nick has operated a sports nutrition practice for over 10 years and during that time has worked with a full spectrum of tactical athletes. He also managed a wellness program for the City of San Diego’s First Responders. Having served in both the US Marine Corps and Army he not only understands the science behind sports nutrition but also its practical application by utilizing it to personally achieve a higher level of human performance. Nick is dedicated to helping tactical athletes achieve their goals by simplifying the science and guiding them towards developing a realistic lifelong plan. During his free time, Nick enjoys surfing at home in Southern California and cooking large Italian meals for friends. In addition to being an avid weightlifter he’s also completed several long distance runs to include San Antonio TX - San Diego CA and the Grand Canyon Rim-Rim-Rim.
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Sarah Pflugradt
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Sarah Pflugradt
Sarah is an O2X Nutrition Specialist and registered dietitian who believes that everyone has the potential to perform at a higher level and channel their inner athlete. With a background in clinical dietetics, WIC, and private practice, she is currently an adjunct professor in the Department of Health Studies at American University, focusing on advancing health promotion through knowledge of nutrition, exercise, and lifestyle habits. As a sought-after expert in nutrition communication, Sarah is a nutrition content editor at EatingWell and is a published author of two books. She has a strong foundation in performance nutrition and provides education for high school athletes and parents. Sarah has a PhD in Health and Human Performance from Concordia University—Chicago, where her research focused on the home food environment of competitive swimmers. As an Air Force veteran and military spouse, Sarah’s commitment to veterans’ health is evident in her volunteer work as a nutrition contributor to Team RWB. In her free time, she enjoys running, writing, cooking, and watching her three high-energy teenagers compete in sports.

Tracy Daly

Tracy Daly
Tracy Daly, MS, RD/N, is an O2X Nutrition Specialist, Registered & Sports Dietitian, and holds a master’s degree in nutrition education from The Chicago Medical School. Originally from Detroit, Michigan, Tracy completed her dietetics studies and dietetic internship there, setting her on a fulfilling career path that combines her passions for health and education. Tracy has been a Registered Dietitian/Nutritionist for 26 years, working in a variety of settings, including collegiate health, corporate and tactical wellness, research, and fitness facilities. She discovered her passion for working with college students and athletes and has worked with a variety of active individuals for over 20 yeas. She currently serves as an Adjunct Professor in the Kinesiology Department at CSU San Marcos, the Nutrition Department at San Diego Mesa College, and the Public Health Program at National University. Tracy also supports the CSUSM Cougars as their Sports Dietitian and has provided expert nutrition support to athletes at San Diego State University, The University of San Diego, and UC San Diego. Her expertise spans sports nutrition, recovery, behavior modification, disordered eating/eating disorders/body image concerns, and gastrointestinal health. Tracy’s interest in nutrition sparked in college when she recognized how dietary changes could enhance health. Managing her own health challenges as an adult, she found balance through nutrition, Pilates, and mindfulness—a journey that deeply shapes her work today. An active member of the Collegiate and Professional Sports Dietitian Association and the Academy of Nutrition and Dietetics’ Sports and Human Performance group, Tracy also gives back to her community. Since 2007, she has volunteered with Rady Children’s Hospital’s canine therapy program and recently adopted Frank, her second therapy dog. Frank will also serve as a Facility Dog at CSU San Marcos, working with student Veterans, athletes, and participating in her Mindfulness classes and the Center for Contemplative Practices.

Amanda Sheaffer

Amanda Sheaffer
Amanda Sheaffer is a Nutrition Specialist at O2X Human Performance. Amanda is also an accomplished Dietitian who has worked in various roles across the nation. She first started on the nutrition team with EXOS during the 2017 Combine class for the NFL draft in California. She then shifted to the Wounded Warrior Project to work with veterans nationally for weight-loss and disordered eating management. She moved back to Chicago, her hometown, to serve as the Associate Director of Food and Nutrition for Cook County Health Hospital Systems and was a part of the first COVID-19 response teams for the city. In 2021, Amanda started her private practice, Chicago Nutrition Clinic and opened a second office in Miami. She now also teaches at Miami Regional University and is completing her Doctorate in Clinical Nutrition at University of North Florida. Her passion is identifying challenging populations and developing realistic and sustainable solutions for individuals and populations alike.

Casey Carlgren

Casey Carlgren
Casey Carlgren is an O2X On-Site Human Performance Specialist specializing in Nutrition. As a Registered Dietitian, he leverages his expertise to help tactical professionals optimize their health and performance through tailored nutrition strategies. Casey is passionate about empowering individuals to achieve their goals by integrating evidence-based nutritional guidance with a practical, sustainable approach.Before joining O2X, Casey built a diverse foundation of experience in both clinical and sports nutrition. He worked at EXOS in Frisco, TX, where he supported collegiate football athletes preparing for the NFL combine, as well as professional NFL players. Following this, Casey served as a consultant dietitian with Nutritious Lifestyles, providing clinical services and quality assurance audits for long-term care and skilled nursing facilities in the Dallas-Fort Worth area. His journey in nutrition began after serving in the Marine Corps, where he provided security at Camp David and the U.S. embassy in Yemen.Casey holds a Bachelor’s degree in Dietetics from Iowa State University, a Master’s in Nutrition and Dietetics from the University of Kansas Medical Center, and advanced graduate training in sports nutrition from Florida State University, where he also completed his dietetic internship. A lifelong athlete with experience in track and field, wrestling, CrossFit, powerlifting, and ultra-endurance racing, Casey combines his personal passion for fitness with his professional expertise. In his free time, he enjoys gardening, blending his love for food, nutrition, and health into a fulfilling lifestyle.

Jaime Tartar

Jaime Tartar
Jaime Lee Tartar is an O2X Sleep & Fatigue Management Specialist. Dr. Tartar is a Professor of Neuroscience at Nova Southeastern University (NSU). She serves as the neuroscience program director and research director for the NSU College of Psychology. She received her Bachelor of Science degree in Psychology from NSU and a Master of Arts degree in Psychology from Florida Atlantic University where she used EEG measure to detect subclinical neurological impairments.She earned her Ph.D. in the Behavioral Neuroscience program at the University of Florida where the focus of her research involved discovering long-term changes that occur in neurobiological pathways involved in stress responses and developing animal models of stress. During graduate school Dr. Tartar also served for 6 years in the U.S. Army Reserves. Dr. Tartar completed Postdoctoral Training at Harvard Medical School where she studied neurological consequences of sleep perturbations using in vitro electrophysiological recording techniques. She also received training in Sleep Medicine at Harvard Medical School.In her professional career Dr. Tartar was awarded an Honorary Doctorate from NSU based on her work and contributions to NSU and the scientific community. She was also the NSU Professor of the year at NSU in 2018 and received the NSU Excellence in Teaching Award in 2009. Dr. Tartar has received multiple funding grants through the Department of Education and has received research funding from the Department of Defense.She has published over 55 original research articles and has written several book chapters. Her publications include work with professional MMA fighters and NFL players. She has been an invited speaker for multiple organizations and universities. For example, she was a TEDx Presenter, the keynote speaker for the Miami Dade College Research Symposium, and gave the commencement speech at NSU in 2021.Based on her expertise, she consults for multiple prestigious organizations and served on the scientific advisory board for the National Academy of Sports Medicine and regularly serves as a peer review panelist for NASA. Dr. Tartar is also a scientific advisor for Enchanted Wave, LLC where she oversees their research in using single channel EEG. She is the co-founder and President of The Society for NeuroSports — an academic organization for the field of Sports Neuroscience. Dr. Tartar’s current research is focused on stress, sleep, and athletic performance in humans.

Meagan Rizzo

Meagan Rizzo
Dr. Meagan Rizzo is an O2X Sleep Specialist. She retired from the Army after 24 years of service in Army Medicine. She earned her medical degree from Uniformed Services University in Bethesda, MD in 2003. Dr. Rizzo is Board Certified in Internal Medicine and Sleep Medicine. As an Army Colonel and mother of four, she is intimately familiar with sleep deprivation and its impact on human performance. Prior to retirement, Dr. Rizzo was the Chief of the Sleep Disorder Center at Walter Reed National Military Medical Center, where she served active duty, retirees and dependents of all ages. She had a special focus on the special operations community, shift workers and military senior leaders. Dr. Rizzo served in both the deployed environment and in CONUS locations. She deployed to Kirkuk, Iraq in 2011 with the 101st Brigade Support Battalion, 1st Infantry Division. She also served in the prestigious role as a Specialty Consultant to the White House Medical Unit while at WRNMMC, where she was the sole provider for senior government leaders. Dr. Rizzo is the daughter of a retired Army officer and wife of an active-duty Special Forces officer. Her practice is shaped by the holistic experience of not only being a service member, but also a spouse, and former “Army brat”. Dr. Rizzo has always been committed to fitness. She was a starter on her Division I soccer team in college, and the captain and leading scorer for her medical school Rugby team. In her free time, you can find her in the pool, on a bike, or on the run. She has completed two half-ironman races and countless other triathlons.

Tina Burke

Tina Burke
Dr. Tina M. Burke is an O2X Human Performance Sleep Specialist. She specializes in providing skills for sleeping better and techniques on how to increase your performance when working round the clock shifts or working with sleep loss.Dr. Burke earned a Bachelor of Arts degree in Psychology from Kent State University in Kent, OH. She then earned a Master’s of Science in Integrative Physiology from the University of Colorado – Boulder, followed by a dual Ph.D. in Integrative Physiology and Neuroscience from the University of Colorado – Boulder. Her research aims at developing our understanding of mechanisms by which photic (light) and non-photic stimuli (e.g., exogenous melatonin, caffeine) can be used as countermeasures to improve sleep, alertness, performance, and overall health.Currently, Dr. Burke is the Sleep Research Team Chief at the Walter Reed Army Institute of Research and provides oversight for the Sleep Research Center and Operational Research Team. Dr. Burke is a professional member of the Sleep Research Society, American Academy of Sleep Medicine, Society for Biological Rhythms, and the Society for Neuroscience. Dr. Burke has had the pleasure of the support and companionship of her husband for the past 10 years. As a professional road cyclist, he was one of her first clients that she was able to instill the importance of sleep and circadian alignment on performance.

Kelly Bennion

Kelly Bennion
Dr. Kelly Bennion is an O2X Sleep Specialist. Dr. Bennion received her Ph.D. in Psychology with a concentration in Cognitive Neuroscience from Boston College, and is an Assistant Professor of Neuroscience and Biopsychology at California Polytechnic State University in San Luis Obispo, CA. Her research uses a combination of behavioral, eye tracking, polysomnography (overnight sleep monitoring), and neuroimaging (e.g., fMRI) approaches to understand the effects of sleep and stress on memory for negative and traumatic experiences. She has published several peer-reviewed articles on sleep and emotional memory consolidation, including showing that those with higher stress levels at the time of a negative experience have better subsequent memory for that negative information, but only following a period of sleep. As Dr. Bennion’s research has important implications for understanding PTSD and other clinical and affective disorders, she has received grants supporting her research from sources including the US Department of Defense, National Science Foundation, American Psychological Association, and Psi Chi. She has also spent time at the Duke- National University of Singapore Medical School as a visiting scholar, researching the effects of sleep restriction on adolescent cognition. Dr. Bennion has been passionate about teaching and education for as long as she can remember, and has an Ed.M. in Mind, Brain, and Education from the Harvard Graduate School of Education. Her commitment to teaching has been acknowledged by her receipt of the Professor of the Year Award (College of Liberal Arts, Cal Poly), the Teaching Excellence in Psychological Science Award (American Psychological Association), as well as the Donald J. White Teaching Excellence Award (Boston College). Dr. Bennion is also passionate about mentorship and outreach. She has founded three mentorship programs for psychology and neuroscience students at Boston College and Cal Poly, coordinated neuroscience outreach events throughout the greater Boston area for children, college students, and older adults, and has organized several events promoting Women in Science. Dr. Bennion feels strongly that one should value health, fitness, and work-life balance, and she has accomplished this largely through fostering her love for dancing. Dr. Bennion has been an avid dancer since age 7, and danced professionally in the Boston area from 2010 to 2016. She was a member of the Adagio Big Band Jazz Company, the Boston Cannons Dance Team, and was a New England Patriots Cheerleader – ending her tenure as an NFL cheerleader with the Patriots’ Super Bowl XLIX victory in her home state of AZ in 2015. Dr. Bennion’s scientific commitment to researching the importance of sleep on cognition and emotional well being, and her personal commitment to maintaining a healthy, physically active lifestyle makes working with O2X a perfect fit.

Allison Brager

Allison Brager
Dr. Allison Brager is an O2X Sleep Specialist and a Major in the U.S.Army. She is also an elite CrossFit athlete competing for the Army. Allison sits on fatigue management working groups for the federal government, Special Forces, and NATO. Previously, at the Walter Reed Army Institute of Research; she and her teammates leveraged groundbreaking sleep discoveries to deliver knowledge products and material solutions to the Army. Her discoveries have most recently been delivered during Operation Spartan Shield and Operation Gotham. She has over 40 publications in flagship biomedical journals.Allison holds an Sc.B. from Brown University and a Ph.D. from Kent State University. Her popular science book, Meathead: Unraveling the Athletic Brain, debunks the myth of “the dumb jock” and chronicles her time as a two-time CrossFit Games team athlete and two-time Regionals athlete. She was also a four-year varsity Division I collegiate track & field athlete. Allison still competes as a Master’s athlete in world championships in track & field and CrossFit. She believes the key to success in life is planning your career around your lifestyle not your lifestyle around your career.

Ashlee McKeon

Ashlee McKeon
Ashlee McKeon is an O2X Sleep Specialist. Ashlee has over 14 years of experience assessing and probing sleep disruption in both military and veteran groups. She is an active duty U.S. Army officer who currently serves as the Chief of Research for the U.S. Army Special Operations Command (USASOC) at Ft. Bragg, NC. Her team’s mission is to support the development and validation of research/program evaluation initiatives across the Special Operations community. This includes the development and evaluation of Assessment & Selection programs for elite military units as well as Command- and Unit-level programs/initiatives aimed at enhancing force readiness through targeted assessment of knowledge, skills, and abilities needed to succeed in highly demanding and specialized military careers. Previously, Ashlee was assigned to the Walter Reed Army Institute of Research (WRAIR) Center for Military Psychiatry and Neurosciences where she served as Chief of the Operational Research Team for 3 years. Her team developed, tested, and validated field-ready capabilities to determine the impact of disrupted sleep and circadian misalignment on the physical, cognitive, and emotional readiness of conventional and elite military units during training operations and in far-forward deployed environments. Much of her work was also dedicated to educating military units, small team leaders, and senior leaders on how to maximize shortened or shifted sleep opportunities in the operational environment to support mission success and reduce risk associated with sleep loss. Ashlee also has a special interest in examining the role of sleep and circadian rhythmicity as risk factors for posttraumatic stress and head injury in combat-exposed service members. Ashlee holds a Bachelor of Philosophy in Honors Psychology, with minors in both Applied Statistics and Sociology, from the University of Pittsburgh (2010). She also earned her Master of Science in Health and Rehabilitation Sciences, with a certificate in Rehabilitative Assistive Technology, from the University of Pittsburgh in 2013, and then continued her training to earn her Doctor of Philosophy in Rehabilitation Science from the University of Pittsburgh in 2016. Ashlee then completed postdoctoral training in Translational Sleep Medicine at the University of Pittsburgh School of Medicine before transferring her research program to the military in 2017. Ashlee commissioned as an officer into the U.S. Army Medical Service Corps as a Research Psychologist, or 71F, in 2018. Personally, Ashlee is an avid Crossfitter and trainer/coach. She also enjoys hiking, kayaking, fishing, and being outdoors with her two corgis, Bolt and Bandit. She loves to travel and strives to experience several new locations, domestic and international, each year.

Ana Fins

Ana Fins
Ana Fins, PhD, ABPP is an O2X Sleep and Resilience Specialist and a Professor in the Department of Clinical and School Psychology at Nova Southeastern University (NSU). She completed her graduate training in Clinical Health Psychology at the University of Miami where her dissertation focused on examining the relationship between psychological coping and immune function in individuals with Chronic Fatigue Syndrome. Subsequently she completed post-doctoral training in behavioral sleep medicine at the Durham Veterans Affairs Medical Center. Dr. Fins has been training students in health psychology and behavioral sleep medicine for over two decades. At NSU she teaches doctoral-level graduate students in the clinical psychology program. She also supervises doctoral students providing treatment to individuals with insomnia and to individuals coping with serious and life threatening medical conditions. She recently co-authored a book on insomnia treatment and has co-authored various articles and book chapters, many examining the relationship between sleep and health.

Zlatan Krizan

Zlatan Krizan
Zlatan Krizan, Ph.D. is a Sleep and Fatigue Management Specialist for O2X. He serves as Professor of Psychology at Iowa State University where he directs the Sleep, Self, and Personality Laboratory. He also leads IntelAwake, focusing on fatigue management within high-steaks interpersonal settings. Dr. Krizan’s scholarship examines the role of sleep in social behavior and performance. Having published over 50 peer-reviewed articles as well as contributed to a number of books, he is a recognized expert on sleep and interpersonal processes cited over 4,000 times. His research has been supported by the National Science Foundation and the Federal Bureau of Investigation. He is a Fellow of the Association for Psychological Science and currently serves as Editor for scientific journals SLEEP Advances and Journal of Research in Personality. His ongoing work examines the dynamic interplay between sleep, emotions, and motivation, especially as applied to investigative interviewing and high-steaks social interactions. He has collaborated with the Department of Defense, Department of Justice, and a number of local agencies, contributing a voice on the importance of sleep and fatigue in human performance.
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Kent Werner
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Kent Werner
CDR J. Kent Werner, Jr., MD PhD, is an O2X Sleep & Fatigue Management Specialist. Outside of O2X, CDR Werner is an active-duty Navy neurologist and neuroscientist who serves as Associate Professor in the Department of Neurology and in the Neuroscience Graduate Program in Bethesda, MD. In his clinics at the Walter Reed National Military Medical Center (WRNMMC) and in the National Intrepid Center of Excellence (NICoE), he specializes in sleep disorders associated with high-performance warfighters and in traumatic brain injury (TBI). He also serves as the Director of Research of the WRNMMC Sleep Disorders Center. His research focuses on the impact of TBI on sleep physiology and cognitive performance. After graduating from the US Naval Academy, he deployed as a Surface Warfare Officer onboard the USS MAHAN (DDG-72), earning his Surface Warfare qualification. Upon entering the Medical Corps, he completed his MD, a PhD in cellular and molecular neuroscience, and a neurology residency at Johns Hopkins University, where he serves currently as Adjunct Faculty. He enjoys distance running, and has competed in over 30 marathons, including 9 Boston Marathons.

Rebecca Acabchuk

Rebecca Acabchuk
Dr. Becky Acabchuk is an O2X Sleep Specialist who works as a neuroscientist and wellbeing expert, researching the mental and physical benefits of mind-body practices to promote sleep, manage emotions, and improve overall wellbeing. She leads retreats and workshops for various audiences and has created programs for Division I football and hockey teams, firefighters, elite endurance athletes, and others. Becky was a Division I gymnast at Cornell University, where she received a BA in psychology. She earned her PhD in physiology and neurobiology from the University of Connecticut and has taught university courses in Health Psychology, Science of Mindfulness, Anatomy & Physiology, and more. She conducted a clinical trial using EEG neurofeedback and meditation to improve sleep and reduce stress and anxiety. She has published several notable meta-analyses on topics including yoga for hypertension and yoga and meditation for concussion recovery. She is a member of the NIH’s behavior change consortium, researching what helps people create healthy habits and stick to them. Becky has taught yoga, meditation, breathwork, and yoga nidra since 2003. She is certified in Mindfulness-Oriented Recovery Enhancement (MORE) and Sports Yoga by NESTA and has participated in ongoing yoga and meditation training with world-renowned teachers. Becky completed training on trauma-sensitive practices, iRest, and yoga nidra and was mentored by a leading researcher conducting studies on yoga nidra for PTSD in veteran populations.Becky has extensive knowledge of various mind-body protocols, which she uses to create unique and customized programs. Becky is passionate about wellbeing and loves inspiring others with the science behind the practices. She recently spent time teaching neuroscience to Tibetan monks in India, where she learned surprising insights from their methods of sharpening the mind. Becky has competed in marathons and triathlons and loves skiing, hiking, CrossFit, and doing anything outdoors. Becky was introduced to O2X by her partner, a firefighter who attended an O2X program.
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Paul Sargent
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Paul Sargent
Dr. Paul Sargent attended medical school at the Uniformed Services University of the Health Sciences, graduating in 2002. He served as a Naval Flight Surgeon for Marine Light Attack Helicopter Squadron-267. Dr. Sargent was the first naval officer to receive the Fleet Marine Force Qualification Pin within Marine Aircraft Group-39. He was also nominated for the III MAW Flight Surgeon of the year after publishing an article on back pain in rotary wing aviators.

Marissa Rescott

Marissa Rescott
Dr. Marissa Rescott PT, DPT, PhD is a sleep and pain educator as well as a human performance clinician who specializes in helping barbell athletes and runners perform at their best. Marissa competed in the 400m and 800m distances as a collegiate runner on the St. Lawrence University Track and Field team, where she earned her Bachelor’s degree in Neuroscience. After falling in love with CrossFit in 2013, she blended her love for neuroscience with her love of fitness in a Doctor of Physical Therapy degree from the Ohio State University. As a clinician, Dr. Marissa has helped many Olympic, military, and tactical athletes, as well as recreational weekend warriors overcome physical performance barriers through a focus on recovery and intelligent strength programming. Marissa has also completed a PhD in cognitive (sleep) science and leads both sleep and musculoskeletal wellness trainings for small to medium sized organizations. She has aided the 62romeo nonprofit in developing their “Sleep 201” sleep optimization course for veterans and first responders, and believes that sleep is the most energy efficient tool we have to “work smarter, not harder.” Marissa is currently living in Virginia Beach, VA with her significant other, who is part of the US Naval Special Warfare community. In her spare time, you can find her lifting weights, rock climbing, snowboarding, or trail running with her vizsla, Daks.

Krista Austin

Krista Austin
Dr. Krista Austin is a Human Performance Specialist with more than 25 years of experience advancing resilience, recovery, and readiness across elite sport, tactical, and high-performance environments. She combines scientific rigor with practical application to help individuals and organizations perform at their best under pressure. Krista earned her Ph.D. in Movement Science from Florida State University and is a Certified Strength and Conditioning Specialist (CSCS) through the National Strength and Conditioning Association. Her diverse career spans leadership and consulting roles with the U.S. Olympic & Paralympic Committee, English Institute of Sport, and multiple U.S. national governing bodies, where she served as High Performance Director. She has also consulted for professional sports organizations, helping teams integrate evidence-based performance, nutrition, and recovery strategies to optimize athlete health and success. In the tactical domain, Krista has supported military research organizations and elite military units, developing performance solutions to enhance readiness and resilience in high-stress environments. Her work bridges research and operational practice, focusing on the human factors that drive sustained performance and recovery. At O2X, Krista specializes in the science of winning with a focus on sleep to optimize resilience helping tactical professionals understand how sleep impacts physical readiness, decision-making, and long-term health. She provides education that empowers individuals to improve sleep quality, enhance resilience, and maintain mission effectiveness in demanding environments.

Neva Barno

Neva Barno
Neva Barno, CMPC (Certified Mental Performance Consultant), is an O2X Mental Performance Specialist whose expertise is in providing mental skills training for optimal performance in various environments and situations. She was a two-sport athlete who first pursued her education in injury rehabilitation after having her own sport injury. She received her B.S. in Exercise and Sport Science from Oregon State University. At the end of her program, she decided to take the jump from the physical side to the mental side after taking her first sport psychology class and realizing it was her own mindset that prevented her from fully recovering in her sport. As she pursued her M.S. in Sport and Performance Psychology at the University of Western States, she met her now husband who was active-duty military and training for a special operations pipeline. She was instantly inspired by the dedication, athleticism, and heroism that she saw within the community, and dedicated the rest of her studies to the military. She graduated with a second M.S. and a Doctoral degree in Clinical Mental Health Counseling, emphasizing Sport and Performance Psychology in 2021. Neva admits that her own personal experience with trauma has motivated her even more to help the military, first responders, and all individuals who might experience trauma. “I know these techniques work because I had to personally put them to the test. My education saved my well-being.”Neva’s professional experiences include working with collegiate sports, high school athletics, recreational sport, executives, military and first responders, and individuals in clinical settings. She hopes to provide her clients with tools to aid in self-regulation, goal attainment, overcoming setbacks, managing stressful events, and helping them reach a new level of performance. Neva’s motto is, “Performance in life is never finished. We should never give up on ourselves. We should never be done. Let us not be finished. Let us Be Unfinished.”

Ashley Ripke

Ashley Ripke
Ashely Ripke is an O2X Mental Performance Specialist. Ashley has a passion for helping others. She primarily applies her knowledge and expertise in Sport and Performance Psychology to the military. The past 7 years she has trained and supported thousands of soldiers (Big Army and Special Forces) on psychological skills that enhance resilience and performance in garrison and theatre. Her career began with the Ready and Resilient (R2) Program and is currently the Cognitive Performance Specialist with 3rd Special Forces Group. The role psychological and physiological factors play in high risk occupations, generates a need for quality Mental Performance Training. Recognized for her excellent service and support to various Army units, Ashley mentors others who will support in a similar capacity. After receiving a Bachelor of Science in Psychology from Indiana Tech, Ashley pursued her Master’s in Sport and Performance Psychology from the University of Denver. Outside of working with the military, Ashley coaches young athletes in the Southern Pines area on mental skills and techniques to achieve higher levels of performance more consistently.

Stephanie Zavilla

Stephanie Zavilla
Stephanie Zavilla is an O2X Mental Performance Specialist. She has served as the Director of Sports Performance at the Winter Park Competition Center for 7 years, supervising Strength and Conditioning, Sport Psychology, Injury Management, Sports Nutrition, and Return-to-Sport Programming. After earning a double major in Psychology and History with a minor in Coaching from the University of South Dakota, while playing four years with the school’s NCAA Division I Women’s Golf Team, she went on to receive her Masters in Sport and Performance Psychology from the University of Denver’s Graduate School of Professional Psychology in 2013. Currently, she is an adjunct faculty at her alma mater.Stephanie has worked as a consultant for a myriad of sports and organizations on both a group and individual basis. She has experience in football, baseball, basketball, soccer, hockey, exercise endurance, lacrosse, figure skating, tennis, skiing, snowboarding, Paralympic skiing, and gymnastics, working with athletes ranging from those who are just beginning their recreational sport careers to those who are competing at the international, professional, or Olympic level. She has served as the sport psychology consultant for an NFL Combine Preparation Camp for several years. A certified consultant for the Association for Applied Sport Psychology, Stephanie has spoken at several regional and national conferences on her work in heart rate variability biofeedback, and has authored several peer reviewed articles, featuring her research in the parent-athlete relationship. Most recently she has co-authored a graduate-level textbook chapter on the psychophysiology of self-regulation.Stephanie’s philosophy revolves around the idea that simply by being aware, being present, and being in love with what you do, freedom will follow; freedom from judgmental thoughts, freedom from the constraints of internal and external pressures, resulting in freedom of movement, and the opportunity to step beyond perceived limits.Outside of working with parents, athletes, and coaches, Stephanie finds happiness in hiking, camping, white water kayaking, Paul Simon, and skiing as many months in a row as possible (80 and counting!).

Christine Sanchez

Christine Sanchez
Dr. Christine Sanchez is an O2X Mental Performance Specialist with expertise in mental and cognitive skills training for achieving optimal performance in high pressure scenarios. She has over 14 years of experience working with athletes and other elite performers who desire to unlock their true potential.Dr. Sanchez is best known for her work targeting mindfully performing under pressure, maintaining situation-awareness, and rebounding quickly from performance errors. She routinely integrates biofeedback technology for facilitating optimal psycho-physiological regulation of performance states. Mental skills training programs consist of group workshops and individual consultations focusing on rapid skill acquisition, performance enhancement, and performance recovery. Over the years she has had the opportunity to consult domestically and internationally with junior elite and collegiate athletes, first responders, and military personnel.Dr. Sanchez received her B.S. in Ocean Engineering from Virginia Tech, M.Ed. in Kinesiology (Exercise & Sport Psychology specialization) from Temple University, and Ph.D. in Educational Psychology (specialization in Sport & Performance Psychology) from Florida State University. She is a Certified Mental Performance Consultant (CMPC) through the Association for Applied Sport Psychology. In addition, she is a member of the Association of Applied Psychophysiology and Biofeedback and is Board Certified in Biofeedback (BCB) through the Biofeedback Certification International Alliance (BCIA). Dr. Sanchez completed her 200 hour Registered Yoga Instructor (RYT-200) training and routinely integrates yoga and mindfulness into her mental skills training plans for recovery.While swimming and rowing collegiately at Virginia Tech, Dr. Sanchez sought the expertise of a Sport Psychologist to help her through a performance slump. The positive impact this training had on her own athletic endeavors allowed her to realize her true passion – to assist others in achieving performance excellence while living a high quality, balanced life. In her free time Dr. Sanchez competes in Stand-up Paddle Board (SUP) races, and enjoys surfing, yoga, swimming, and biking. Her most recent watersport to pick up is the surfski.

Tracy Heller

Tracy Heller
Dr. Tracy Heller is an O2X Mental Performance Specialist whose expertise is in providing mental skills training for optimal performance in high-pressure scenarios.Her areas of specialization include goal-attainment, stress management, attention control, mindfulness, relaxation strategies, mistake management, mind-body recovery, biofeedback for self-regulation, and breathing training. Her professional experience includes working with individuals and teams within Division I collegiate sports, high school athletics, recreational sport, executives, corrections, and the military. She also provides educational workshops for professional development. Dr. Heller enjoys working in a multidisciplinary team atmosphere to meet the multifaceted needs of clients.She received her B.S. in Psychology from St. Lawrence University, M.A. in Sport Psychology from McGill University, and Ph.D. in Counseling Psychology with a specialization in Sport Psychology from Florida State University. She is licensed to practice psychology in Virginia and California and is a Certified Mental Performance Consultant (CMPC) through the Association for Applied Sport Psychology. She is a member of the Association of Applied Psychophysiology and Biofeedback and is Board Certified in Biofeedback (BCB) through the Biofeedback Certification International Alliance.Dr. Heller likes to spend her free time exploring restaurants, reading, practicing yoga, hiking, and picking things up then putting them down (she likes to start her week with squats). She was introduced to sport psychology as a junior athlete at the Olympic Training Centre, where she trained for luge. She learned how to systematically develop the cognitive side of her training to improve her performance. It made such a huge impact that she decided to pursue it as a career!

Pete Kadushin

Pete Kadushin
Pete Kadushin, Ph.D. is the Manager of Learning and Development for the Chicago Blackhawks, and before stepping into that role, spent three years as the mental performance coach for the Blackhawks. In over fifteen years in the field of performance psychology, he’s had the privilege to work in professional, college, and military high performance settings, with the goal of helping these groups develop the mindset and mental skills that will allow them to more consistently achieve their best performances. His core passion is to help people perform at their highest level so that they can live a more fulfilled, meaningful life.Pete’s work focuses on two key areas of growth: helping people dial in their ability to learn and refine lessons quickly, and increasing their capacity to apply those lessons under pressure. He believes that tools like self-reflection, breath work, and meditation are invaluable as people walk the path of mastery.In addition to mental performance coaching, Pete has held academic appointments at Boston University and Western Colorado University, where he taught performance psychology and motor learning at both the undergraduate and graduate levels.

Brian Hite

Brian Hite
Dr. Brian Hite is an O2X Mental Performance Specialist. He has spent over 40 years immersed in the world of performance, both as a participant and coach. On stage since childhood, Brian has toured with live shows, done standup comedy, performed and coordinated stunts for film/TV, and coached athletes ranging from youth to professional. His diverse background allows him to connect with performers of all types, from actors and musicians to executives and elite athletes. With a Ph.D. in Organizational Psychology, Brian takes a holistic approach to maximizing human potential. He works with individuals and teams to develop the mental skills for sustained excellence – managing nerves, focusing amid chaos, retaining confidence after setbacks. Through over a decade of work with the U.S. Army, athletes from a variety of sports, performing artists of all stripes, and entrepreneurs from different industries, Brian has honed strategies to help leaders optimize team culture and performance.As a Senior Dissertation Chair for Grand Canyon University (GCU), Brian guides doctoral students through the research process, instilling the tenacity needed for rigorous scholarship while encouraging students to engage their curiosity and explore their areas of passion. His certifications as a Mental Performance Consultant (CMPC), Life Coach, Leadership Coach, and Executive Coach further enable him to empathize with clients and provide tailored guidance to meet their needs. Whether he is writing, attending shows and games, or rollerblading and biking with his daughter, Brian lives the ethos he teaches: hard work, perseverance, and passion. After 40 years of living and studying peak performance, he knows that joy and achievement go hand in hand. Brian brings this spirit of enthusiasm and mastery to every session, empowering others to excel.

Ira Martin

Ira Martin
Dr. Ira Martin is an O2X Mental Performance Specialist. Ira received his Doctoral and Master’s Degrees in Counseling and Human Development with a specialization in Sport Psychology from Boston University. He received his bachelor’s degree Summa Cum Laude from Suffolk University. He also completed a personal and executive coaching program with the Institute of Professional Empowerment Coaching–IPEC, and is a Certified Professional Coach.Ira became interested in performance psychology as a collegiate ice hockey player, and over the past several years has worked with numerous youth, high school, and college athletes, as well as coaches and referees. He is passionate about educating teams, executives, coaches, and parents, in group and individual settings. Most recently, Ira served as the Leader in Residence at the United States Coast Guard Academy Institute for Leadership, translating leadership research into practice, while actively engaged in the curriculum development, implementation, and assessment of an academy-wide leader development strategy. While at the Academy, Ira spent time in the classroom as an assistant professor of Organizational Behavior and Leadership. Ira has teaching experience at the undergraduate and graduate level at schools such as Boston University, Connecticut College, and Suffolk University.

Bobby Schlote

Bobby Schlote
Bobby Schlote is an O2X Mental Performance Specialist. Bobby is motivated to help others strive to be the best version of themselves on a consistent basis. He applies his knowledge and expertise in the field of Sport and Performance Psychology to help individuals and teams optimize their mental performance and unlock their inner potential.He began his career working with amateur and collegiate athletes before transitioning his passion to the military community. Over the years, Bobby has worked with over 40,000 Soldiers as a Performance Expert for the US Army’s Ready and Resilient (R2) program. During this time, he served as a Lead Performance Expert for various Basic Combat Training Battalions, and as the Lead Performance Expert for the United States Army Drill Sergeant Academy (USADSA) at Fort Jackson, South Carolina. While at the USADSA he worked with thousands of Drill Sergeant Leaders and Drill Sergeant Candidates on mastering psychological skills for personal and professional applications, as they are tasked with developing the next generation of the US Army. His passion for the Army expands beyond the classroom and in 2016 he joined the South Carolina Army National Guard. Upon receiving his commission in 2018 as a Signal Officer, he served as a Platoon Leader, Company Executive Officer, and Brigade Human Resource Officer in a traditional guard role (part-time). He is currently in a full-time role with the South Carolina Army National Guard as the Battalion Training Officer for a Cyber Protection Battalion. Bobby received his B.S. in Sport and Exercise Psychology from West Virginia University and his M.S. in Sport and Exercise Psychology from Georgia Southern University. When he is not wearing his uniform or working with those who do, he spends as much quality time as possible with his wife and their two daughters in their hometown of Columbia, South Carolina.

Brad Marshall

Brad Marshall
Brad Marshall is an O2X Mental Performance Specialist. Brad Marshall has been fascinated with human performance along with helping people live happier, healthier lives for as long as he can remember. Over the last decade, he has trained athletes, military personnel, corporate executives, law enforcement, first responders, and individuals who have big goals for how they want their lives to unfold. He loves helping and coaching others in the areas of movement, mindset, nutrition, and recovery.Brad has worked to educate himself and gain the necessary skills and experience to provide the best experience to his clients, earning certifications in the following areas: a Master’s degree in sport psychology, a CrossFit Level 2 trainer, a Precision Nutrition Level 1 Certification, a Mindful Sport Performance Enhancement Certification, a Mindfulness-Based Stress Reduction Certification, and an O23 Level 2 Holistic Lifestyle Coaching Certification.You can catch Brad playing softball, working on his golf game, volunteering at local fitness events, or enjoying all things superheroes when he’s not working with others. Brad has relentlessly been figuring out how to elevate the quality of life of others through the practices of mindset, movement, nutrition, and recovery. He’s beyond excited to work with others who share his mission of living happier, healthier, and more fulfilled lives.

Heather LeGette

Heather LeGette
Heather LeGette is an O2X Mental Performance Specialist. Heather strives to attain high levels of personal and professional well being and is passionate about helping others do the same. She enjoys living a balanced life where nutrition, physical fitness, recovery, mental fortitude, and emotional health are at the forefront of daily operations. She spends her time outside of work at her local gym, hiking, camping, traveling, or spending quality time with loved ones. Heathers background is in Sport and Performance Psychology. She participated in competitive cheerleading for over 10 years, coached for 8, and currently trains in CrossFit and Olympic Weightlifting. After completing her Bachelor’s in Psychology and Minor in Exercise Biology from the University of California, Davis, she went on to complete her Master’s Degree in Sport Psychology from John F. Kennedy University. She has worked with the US Army for over 8 years providing mental skills training to optimize performance and enhance resilience of Soldiers, their family members, and DA civilians. Additionally, she has helped athletes from a variety of sports improve their performance. Her favorite part of the work is seeing the impact mental skills training can have on people’s quality of life.
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Blair Venables
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Blair Venables
Blair is an O2X Mental Performance Specialist. Blair is passionate about empowering people to take control over their own performances, development, and learning ways to thrive. She has worked for over a decade applying her knowledge and expertise in Sport and Performance Psychology in her work with athletes, adaptive athletes, medical professionals, first responders, law enforcement, the US State Department, and the US Army. Her career began with the Army Resilience Directorate’s Ready and Resilient (R2) Program, where she trained thousands of Soldiers in psychological skills that enhance resilience and performance. She is currently a Cognitive Performance Specialist with Special Operations. As part of a family with numerous Nurses, Firefighters, and Service Members, Blair has seen first-hand the effects of high risk occupations on individuals and their families, and loves being able to help those who serve live happier, healthier lives. Blair grew up in Florida, and spent most of her life in the water. She was a competitive swimmer and US Swimming certified coach for over 20 years, a Beach Patrol lifeguard, and competed in the US Lifesaving Association Lifeguard National Championships and various open-water competitions. Her next goal is to complete the Change Your Latitude open-water swim, the northernmost ocean swim, in Sitka, Alaska. Blair earned her Bachelor of Science in Psychology and her Masters of Science in Educational Psychology (specialization in Sport and Performance Psychology) from Florida State University. Outside of work, Blair loves to travel to new places, explore her home city of Raleigh, NC, attend as many concerts as she can, and read.

Mike Hatfield

Mike Hatfield
Mike Hatfield currently serves as a Human Performance Specialist at O2X specializing in Mental Performance. He channels his passion for enhancing emotional regulation, attention, memory, sleep, and overall happiness and performance. Dedicated to combating the rising rates of anxiety and depression while promoting lethality and longevity, he is a fervent advocate for trail therapy and the transformative power of a campfire's vulnerability. With an ethos rooted in holistic wellness, Mike is committed to equipping individuals with the tools they need to thrive in both physical and mental realms.
Before joining O2X, Mike's professional journey unfolded across a diverse array of roles and industries. He served as a Cognitive Performance Specialist with MARSOC, coached soccer and football, and imparted psychological insights to athletes at Feather River College in California. His expertise extends to working with elite athletes across various sports leagues and collegiate levels, as well as collaborating with specialized military units to enhance cognitive performance. A former Marine Corps member, Mike's decorated service included accolades such as Marine of the Year and NCO of the Year, reflecting his dedication to excellence and leadership.
Mike's academic journey is as multifaceted as his professional endeavors. While he is ABD (All But Dissertation) in his pursuit of a PsyD in Sport & Performance Psychology, he holds a Master's degree in Sport Psychology and an MBA. His undergraduate studies at High Point University, where he excelled as a soccer captain and track athlete, equipped him with a foundation in business and human relations. Beyond formal education, Mike is continuously expanding his knowledge, holding certifications in Yoga Nidra (PMR) and serving as an XPT Breath Coach. Yet, amidst his diverse pursuits, Mike treasures his role as a father to three children and finds solace in exploring the vast landscapes of the United States, often accompanied by his faithful companion Sage, a Belgian Malinois.

Tanner Biwer

Tanner Biwer
Tanner is a Naval Special Warfare Cognitive Performance Specialist and Certified Mental Performance Consultant passionate about helping elite athletes and performers perform at their best. A native of Door County, Wisconsin, he received his Bachelor’s degree in Psychology and Athletic Coaching from Marian University in Wisconsin before obtaining his Master’s degree in Clinical Counseling, specializing in Sport and Health Psychology from Adler University, Chicago. Tanner is a former collegiate baseball player who earned all-conference honors during his days on the field. He has continued to focus on his love for baseball working with athletes of all ages in the field of sport psychology. His professional work includes serving as a Master Resilience Trainer at Fort Gregg-Adams, VA, in the Ready and Resilient (R2) Program, Cognitive Performance Specialist at Fort Huachuca, AZ, and currently at Naval Amphibious Base, Coronado, CA. As a Cognitive Performance Specialist, Tanner is responsible for teaching and training evidence-based mental performance skills to Special Operators with an emphasis on application to their personal and professional lives. He has provided customized mental performance workshops for numerous units at Fort Huachuca, including the 111th Military Intelligence Brigade and members of Special Boat Team 12 at NAB-Coronado, focusing on energy management, team cohesion, attentional control, confidence, self-talk, leadership, sleep, and work-life balance. Tanner has had the opportunity to travel to provide cognitive performance training to Soldiers and DA Civilians across numerous US Army installations, including Goodfellow Air Force Base in San Angelo, TX, Fort McCoy in Sparta, WI, and virtually with United States Military Academy at West Point. Tanner has also worked one one-on-one with a wide variety of Soldiers, athletes, and future mental performance consultants to help guide them toward achieving their professional and personal goals. He is responsible for working with senior leaders to recognize and address the factors of optimal performance through mental skills training designed to maximize leader attributes and accelerate unit excellence.
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Stephanie McGrath
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Stephanie McGrath
Steph is a mental health professional with 14 years of experience. She provides services and training to support high-performance enhancement, resilience, and wellness. Steph has provided both sports and clinical psychology to various organizations. She has conducted post-graduate research on Australian Olympic Track and Field athletes and worked with professional sporting organizations across Australia. Steph has spent the past eight years working for several military branches, including the US Army, US Marine Corps, US Navy, Royal Australian Navy, Royal Australian Air Force, and Australian Army. She serves as the Cognitive Performance Specialist (CPS) for Naval Special Warfare Group 1 (NSWG1). Steph's role involves training and educating Special Operations Forces (SOF) personnel in individual and group settings. She focuses on teaching specific skills and strategies related to cognitive, mental, behavioral, psychosocial, perceptual, learning, adaptive thinking, human engagement, and emotional control. Additionally, Steph has developed a curriculum for the US military to foster positive experiences surrounding counseling for US Army soldiers. Steph is conducting research on the correlation between mentorship, psychological safety, and female firefighters' turnover intentions as part of her pursuit of a Doctorate in Industrial and Organizational Psychology.

Katy Tran Turner

Katy Tran Turner
Dr. Katy Tran Turner is an O2X Mental Performance Specialist, specializing in developing mental skills that optimize performance in high-pressure, fast-paced, and dynamic environments. Her expertise focuses on enhancing decision-making, confidence, self-regulation, and present-moment focus during high-stress performance moments.
Dr. Turner has a rich history of working with high-performance teams in various settings. She served as the mental performance coach for the Buffalo Sabres for five seasons and spent two seasons with the Buffalo Bills, where she contributed to multidisciplinary teams providing holistic support. Before her time with professional athletes in Western New York, Katy worked with soldiers at Fort Bragg, NC, providing mental performance training for tactical athletes. Her experience also includes working in NCAA Division I athletics departments in student-athlete services and supporting a wide range of sports.
Dr. Turner holds a Ph.D. in Educational Psychology with a specialization in Sport and Performance Psychology from Florida State University. She also earned a master’s degree in Exercise Physiology from Kent State University and undergraduate degrees in Biology and Exercise & Sport Science from UNC-Chapel Hill. While at UNC, Katy was the starting goaltender for the field hockey team, earning All-America honors. She is a Certified Mental Performance Consultant through the Association for Applied Sport Psychology and a member of the American Psychological Association Division 47. In addition to her role at O2X, Dr. Turner serves as an adjunct professor. Her research has focused on team dynamics and coordination.

John Pine

John Pine
John Pine serves as a Cognitive Performance Specialist with the 435th Fighter Training Squadron at Randolph Air Force Base. John holds a Master’s degree in Kinesiology with a concentration in Sport Psychology and Motor Behavior from the University of Tennessee, along with a Bachelor’s degree in Kinesiology and Psychology from Illinois State University. He is a Certified Mental Performance Consultant (CMPC) with expertise in applied sport psychology, cognitive training, and leadership development.
John’s career began using his job as an academic mentor to begin working with first year student-athletes at Tennessee. Before graduating with his master’s degree John also interned with the Chicago Fire Football Club youth academy. He later served as a Performance Expert with the U.S. Army at Fort Polk, where he facilitated resilience training to enhance unit effectiveness. John then advanced to Site Lead for CRAFT Pilot Training at Columbus AFB, leading a team of seven specialists and overseeing cognitive training programs for hundreds of Air Force pilots. With the 435th he is embedded directly with fighter pilots. In this role, he provides one-on-one consultations addressing perfectionism, stress, and performance recovery, develops training curricula for instructors, and leverages cutting-edge tools such as eye-tracking technology to improve pilot cross-check efficiency. Even taking opportunities to hop in the back seat for several rides to learn first hand what the performance environment looks like. His work directly supports both student development and instructor effectiveness, strengthening performance and mission readiness at one of the Air Force’s premier fighter training squadrons.

Zach Weatherford

Zach Weatherford
Zach Weatherford is an O2X Strength & Conditioning Specialist. Zach is currently a self-employed human performance consultant. He is contracted with the US Olympic and Paralympic Committee as well as the Naval Special Warfare Training Command offering support and development for their staff. Weatherford recently completed a 3-year term (2016-2019) as the Director of Human Performance with the Brooklyn Nets in the NBA after spending 6 years as a Civilian Human Performance Manager for the U.S. Naval Special Warfare Command.Before his Department of Defense experience, Weatherford held multiple roles with the U.S. Olympic Committee. From 2007-2009, Weatherford was a sports physiologist for the U.S. Olympic Committee, where he led a multidisciplinary team of science-based human performance professionals that implemented platforms across 17 U.S. Olympic Team programs.In addition, Weatherford served as the Strength and Conditioning & Video Specialist for the U.S. Ski and Snowboard team from 2004-2007 as well as as the Strength and Conditioning Coordinator for the U.S. Olympic Committee from 2000-2004. Throughout this time, Weatherford was on staff for three Olympic Games: 2004 in Athens, 2006 in Torino and 2008 in Beijing.

Chris Ullom

Chris Ullom
hris Ullom is an O2X Strength and Conditioning Specialist. He has worked in the fields of Health, Fitness and Human Performance since 1994 following the completion of his bachelor’s degree in Sports Medicine from Old Dominion University. He then completed his master’s degree in Physical Education from Radford University in 1997 while serving as a Graduate Assistant Athletic Trainer. For the next several years he would work as a Certified Athletic Trainer in both the high school and physical therapy settings. In 2000 Chris would earn the Certified Strength and Conditioning Specialist credential from the NSCA and form Atlantic Sports Performance, a company dedicated to improving the performance and injury resilience of youth athletes. In 2004, Chris would become the Head Strength and Conditioning Coach for USA Field Hockey, helping the US Women qualify for the 2008 Olympic Games – the first time the US had qualified without being the host country in over twenty years. This coincided with his work at Wareing’s Gym in Virginia Beach, VA – the oldest gym in the country. Initially a personal trainer specializing in youth athletes, Chris would go on to become the Director of Training and eventually General Manager. During his tenure, Wareing’s Gym would become the premier training center in Virginia Beach, with the introduction of world-renowned programs such as the Parisi Speed School (the national leader in youth performance training), Alloy Personal Training Systems and Martin Rooney’s famed Training for Warriors program.In 2021 Chris became the Director of Human Performance for Naval Special Warfare Group 8 East, serving both the SEAL Delivery Vehicle Team 2 and Special Reconnaissance Team 2. After 3 ½ years with NSW, Chris went back to work in the fitness industry to become the Director of Strength and Conditioning for Onelife Fitness in Virginia Beach.In addition to being a Certified Strength and Conditioning Specialist, he is also a Registered Strength and Conditioning Coach (NSCA), a USA Weightlifting Level 2 Coach and a Level 1 Titlelist Performance Institute Certified Fitness Professional.

Mike Sanders

Mike Sanders
Mike Sanders is an O2X Strength & Conditioning Specialist. He received his master’s degree in Exercise Science in 1999, from the University of Nebraska-Kearney and is a Certified Strength and Conditioning Specialist from the National Strength and Conditioning Association. As a strength and conditioning coach, he has been blessed to be part of many athletic team successes, including back-to-back national championships in D-I Collegiate Men’s Ice Hockey.In 2010, he moved from the sport athletics world to working with tactical athletes, physically training military and consulting with fire fighters. He has extensive experience and knowledge physically preparing Division-I athletes and tactical athletes for the rigors of competition, combat, and work.He is also the founder and president of Junto Tribe Ministries, a ministry committed to helping people achieve their highest potential in spirit, mind, and body. He is a speaker, author, and coach, and is currently working towards becoming a certified chaplain for first responders, police, and military.He enjoys spending time with his family and friends and loves to read, learn, write, think, and train. It could be argued that he has a slight addiction to coffee and believes outdoors is always better than indoors. To unwind, he enjoys going paddle boarding, sitting quietly in the great outdoors, and watching movies. Mike is married to his wonderful wife, Julie, and has two daughters and a fur ball for a dog.

Matt Cady

Matt Cady
Matt Cady is an O2X Strength & Conditioning Specialist with expertise in physical performance and strength and conditioning. He has been training traditional athletes, military, and first responders for 15 years. Matt has been certified through the National Strength and Conditioning Association, USA Weightlifting, Precision Nutrition, and Functional Movement Screen. He has authored articles, spoken at seminars, and been a guest on various podcasts. Matt was a 4-year college ice hockey athlete at Miami University where he received a bachelor’s degree in Exercise Science and a minor in Coaching. Upon graduating, he was a member of the University of Denver hockey coaching staff, where the team won the National Championship. Matt returned to Miami University to continue his strength and conditioning career and earn a Master of Science degree in Kinesiology. Matt was a collegiate Strength and Conditioning Coach for 8 years. His teams won world medals, national championships, and league championships. His individual athletes earned All American honors, became league MVPs, and received the Hobey Baker (the highest individual award for men’s collegiate ice hockey). Many of the athletes he has trained have also competed at the professional level. In 2016, Matt took his expertise and collegiate experience to the military where he was a Tactical Human Performance Specialist for 7th Special Forces Group. There, he was privileged to train and educate some of the military’s finest soldiers on smarter ways to train. He created specific programming to prepare them for deployments and specialized selection courses. Matt now works in the private sector for Impact Sports Performance. He trains, advises, and educates youth to professional athletes on performance measures such as strength, speed, and explosiveness, as well as, rest, recovery, nutrition, hydration, and mental toughness. When Matt is not at work, he enjoys spending time with his wife and dog. He enjoys reading articles to continue his learning and stay up to date with current events and training trends. Matt stays active by working out in his garage, mountain biking, and stand-up paddle boarding.

Ana Tocco

Ana Tocco
Ana Tocco is an O2X Strength & Conditioning Specialist. Ana is also the Associate Head Strength and Conditioning Coordinator at St. Johns Preparatory in Danvers, MA. In her role, she assists with development, implementation, and oversight of all strength and conditioning programs for students, faculty, and staff.Prior to SJP, she worked as the Head Strength Coach and Site Director at Innercity Weightlifting, a non-profit organization that works to reduce youth violence by connecting proven-risk young people with new networks and opportunities in and beyond personal and group training.After graduating from University of Massachusetts Amherst with a Kinesiology degree and as captain of the Women’s Rowing Team, she got her start at Mike Boyle Strength and Conditioning (MBSC) in Woburn, MA. The growth-focused environment at MBSC motivated Ana in a way she had never experienced. After a few short years, she went on to earn her Master’s in Coaching Education at Boston University and worked as a Graduate Assistant in BU’s varsity weight room.Currently, in addition to her time at SJP, she works with O2X to help tactical athletes maximize human performance through a curriculum that provides concrete ways to make incremental changes that lead to sustainable improvements.Ana enjoys using strength and conditioning as her platform to work with others to develop life skills. She specializes in getting athletes to set goals that focus on the process of training rather than only on the outcome. She enjoys helping athletes increase and improve the likelihood that they will reach their true athletic potential. Ana continues to further her education by attending conferences and seminars each year.Her certifications include: SCCC (Collegiate Strength and Conditioning Certification) Functional Movement Screening (FMS) Functional Range Conditioning (FRC) Precision Nutrition- Level 1 USA-Weightlifting Coach Strong First Certified Kettlebell Instructor Level 1 Certified Wellness Coach through American Association of Drugless Practitioners (AADP) Postural Restorative Institute (PRI) Altis Speed and Sprinting Mechanics Mentorship Program.

Josh Lamont

Josh Lamont
Josh Lamont is an O2X Strength & Conditioning Specialist from Baltimore, Maryland. He is a Certified Athletic Trainer and Strength and Conditioning Coach who owns AthletEdge, a company that specializes in assessing, training, and educating athletes of all ages in order to improve their performance and increase their resiliency.Josh attended Towson University in Baltimore where he received his Bachelor of Science degree in Athletic Training. From there, he went onto University of Delaware for his Master of Science degree in Exercise Physiology and worked with the Strength and Conditioning staff, training the school’s athletic teams. Following graduate school, Josh had the opportunity to live out a childhood dream as he spent many years in professional baseball. Although his dream was to be a player at that level, he spent his time training and rehabilitating the ballplayers in order to improve their performance and help them decrease their chance of injury. Working in baseball offered Josh the opportunity to travel the country, which is how he met his amazing wife in Chicagoland, and began working with Tactical Athletes in Arizona. Since moving back to Baltimore so his children could grow up near family, Josh has been able to return to playing ‘old-man’ baseball. His desire to be competitive and avoid injury has driven Josh to train consistently for performance and to keep up with his children while, at the same time, be a role model to the athletes he works with.

Jillian Zeller

Jillian Zeller
Jill Zeller is an O2X Strength & Conditioning Specialist. Zeller currently is the Sr. Associate Director of Athletic Performance at the University of Georgia, working specifically with women’s soccer and women’s golf. Before her time with the Bulldogs, she was the Sports Performance Coach for San Diego Wave FC of the National Women’s Soccer League. She helped the team win the regular season in 2023. Prior to the Wave, Zeller was at the University of Southern California, working with women’s soccer, lacrosse, and beach volleyball (5-time national champions). Before she got to USC, she worked with a variety of sports and athletes at places like EXOS and Mike Boyle’s Strength and Conditioning. Zeller spent one year as the Director of Sports Performance for the Wake Forest women’s basketball team. She served as a strength and conditioning coach for Boston University and USA Hockey, while also interning with Northeastern University and Athletes’ Performance. She went to 5 World Championships with USA Hockey’s U18-22 teams. A native of Newton, Massachusetts, Zeller graduated from James Madison University in 2011 with a bachelor’s degree in Exercise Science and from Boston University in 2014 with a master’s degree in Coaching Education.She is passionate about supporting those who want to use strength training to help make their daily needs better.

Molly Poalino

Molly Poalino
Molly Poalino is an O2X Strength and Conditioning Specialist. Strength and conditioning has never been a job for Poalino, it has always been her passion. Her career began in the realm of athletic performance while working to get her Bachelor’s Degree in Kinesiology at the University of Massachusetts, Amherst. She gained diverse experiences with her multiple internships throughout the state of MA during her college career.Coach Molly’s next stop was University of West Florida to obtain her Masters of Health Science, specializing in Physical Education/Teacher Education. As a graduate assistant, she gained experience working in the collegiate setting. This experience would springboard her to a position at the University of North Carolina, Chapel Hill. At UNC Molly worked with 5 varsity teams ranging from Cross Country to Gymnastics. While working at UNC, Molly met her now husband, Eric Poalino, an Army officer. This would shift her career path in the direction of tactical strength and conditioning.After 4 years at UNC, Coach Poalino would make the jump to the tactical setting, working with the US Army 27th Engineers as a contractor. She spent 2 years building the Health and Holistic Fitness (H2F) program from the ground up. Molly created programs to help soldiers prepare for the new Army Combat Fitness Test, Ranger School, Sapper School, and Special Operations selection. She also helped bridge soldiers back to their companies after injuries. The knowledge and experience she gained with the H2F program empowered her to secure a contractor position as the Strength and Conditioning Coach at Joint Special Operations Command (JSOC).Whether it is maintaining a healthy lifestyle, or training for a specific school or selection, Molly is there to educate all branches of the military to achieve success. Molly is a Certified Strength and Conditioning Coach (CSCS) through the NSCA and Strength and Conditioning Coach Certified (SCCC) through the Collegiate Strength and Conditioning Coaches Association. In her spare time, she is cheering for all things New England, playing rugby or exploring the outdoors with Eric, daughter Parker and two dogs Brady & Billie.

Ryan Kirby

Ryan Kirby
Ryan Kirby is an O2X Strength & Conditioning Specialist. Ryan was born and raised in Dallas, Georgia where he grew up with his two brothers and two sisters. He comes from an athletic family that has always been involved in sports. Ryan and his brothers were top athletes at the state and national level growing up. This is what led him into his career in the Marine Corps. It was that sense of purpose and unity that made the Marine Corps, especially the infantry, the only place that he wanted to go after high school. After multiple tours in Afghanistan, Okinawa, South Korea, and Thailand, Ryan decided that he would pursue other endeavors that he never thought possible before the military.After getting out of the Marine Corps, Ryan started school at Kennesaw State University, where he has received both a Bachelors and Masters Degree in Exercise Science and Exercise Physiology. During his time in school, Ryan had the opportunity to work with multiple sports teams on campus. His passion in life is working with and educating athletes. Ryan also plays and writes music, loves the outdoors, and loves Georgia Football.

Michael Pimentel

Michael Pimentel
Michael Pimentel is an O2X Strength & Conditioning Specialist. Michael is also a varsity collegiate strength and conditioning coach at Brown University. Michael received both his Bachelors in Exercise Science and his Masters in Strength and Conditioning from Bridgewater State University. He helps oversee 38 varsity sports, and specializes in 10: Men’s Lacrosse, Men’s & Women’s Hockey, Men’s & Women’s Crew, Men’s & Women’s Water Polo, Women’s Soccer, and Men’s & Women’s Swim & Dive. Michael works with each and every one of his athletes on injury prevention, maximizing athletic potential, educating on healthy lifestyle, and giving them tools for life, ensuring that they have a positive student/athlete experience. Michael has helped prepare his athletes for several Final Fours, NCAA Tournaments, and Ivy League Championships. Along his journey he has helped produce All Americans, National Champions and professional athletes. Michael is passionate about continuing education, learning new concepts, and bettering himself and those around him. He has a strong connection with his team, and maekes sure he stays current in his field in order to help his athletes thrive, recover faster, and stay ahead of their competition. Michael is certified through the SCCC, one of the highest ranking certifications in the field for collegiate strength and conditioning coaches. He is also a Certified Strength & Conditioning Specialist (CSCS) with the National Strength & Conditioning Association and a certified Sports Performance coach through the United States Weightlifting Association (USAW). Michael strives for excellence with his athletes in recovery, which is why he holds a certification through Reflexive Performance Reset. During his Master’s program, Michael conducted a research study on concussion prevention in sports, as well as co-publishing an article on grip strength. Throughout the course of his educational career, Michael completed several internships at top strength & conditioning programs, such as University of Rhode Island, South Carolina, and Brown University.Michael has a strong sense of empathy with his athletes and holds himself as a leader, not a boss. His own experience in collegiate sports allows him to connect on a deeper level with his athletes and assist them beyond what the textbooks teach. His emphasis on mental health and living a fulfilling, balanced lifestyle, makes him not only a well-rounded coach, but a mentor to many. Michael continues to compete in powerlifting, Olympic weightlifting, prone paddling, and open water swimming, as well as participates in recreational surfing. Michael holds a healthy sense of competition, which allows him to grow as a professional and as an individual. On a daily basis, Michael is striving for excellence with the hope he can help the world become 1% better.

D J Velky

D J Velky
D.J. is an O2X Instructor and Strength and Conditioning Specialist, who previously served in the United States Marine Corps as an infantry squad leader with 1st Battalion 9th Marines. His final duty station was Marine Corps Base Quantico where he served as a Warfighting Instructor at The Basic School. Following his time in service, D.J. obtained his B.S. in Kinesiology from James Madison University. D.J.’s passion for health and fitness, especially within the tactical community, paired with his enthusiasm for helping others while optimizing their athletic abilities are factors that have led him to coaching tactical athletes. His first-hand knowledge of tactical tasks and environments combined with his unique programming and sheer enthusiasm for working with the tactical demographics allows him to optimize performance for each individual athlete.

Tyler Jewell

Tyler Jewell
Tyler is an O2X Strength & Conditioning Specialist. As a prior US Olympian, he competed in snowboarding in the Torino and Vancouver Winter Games. He is a mental performance coach with over 10 years of experience, including from the Naval Tactical Athlete Program. Tyler was a varsity lacrosse player at Boston College.

Adam DeMarais

Adam DeMarais
Adam DeMarais is an O2X Strength & Conditioning Specialist. Adam has been a strength and conditioning coach since 2008 and has had the pleasure of working with tactical populations, athletes, and the general population. He received his Bachelor’s degree from St. John’s University, where he majored in Biology and minored in Sports Medicine. This combination of fields provided Adam with a unique perspective on the intersection between science and human performance. He also received his Master’s degree from Concordia University Chicago where he studied Exercise Science with a concentration on human movement.

Matthew Zanis

Matthew Zanis
Dr. Matthew Zanis, PT, DPT, FAAOMPT, OCS, ATC, CSCS, is an O2X Strength & Conditioning Specialist and owner of Rooted in MVMNT, a human movement and vitality company. Dr. Zanis obtained his bachelor’s in athletic training from the University of Pittsburgh and Doctorate in Physical Therapy from Duke University. He is a strength and conditioning coach, orthopedic specialist, and fellowship trained in manual therapy. Dr. Zanis works with a broad demographic from Olympians, including the athletes of USA Shooting, to Naval Special Warfare and everyone in between. His vision is to create an awareness of new ways of working with the human body in rehabilitation, performance, and coaching circles, and bring that alive for strength and conditioning and rehabilitation professionals alike through a philosophy that is rooted in movement.

John Sim

John Sim
John Sim is an O2X Strength & Conditioning Specialist. He is also currently a Physical Skills Instructor for the U.S. Secret Service and previously served as the Program Manager for Physical Performance at the Office of the Surgeon General (OTSG). Prior to working at OTSG, John served as the Human Performance Advisor for a US Army Special Operations unit based in the National Capital Region. Throughout his career John has worked with a diverse array of clientele that includes tactical, collegiate, and professional populations. John’s strength & conditioning coaching experience includes stops at Georgetown University, Fordham University, Binghamton University, EXOS Headquarters, and Grand Canyon University – where he was hired as the school’s first Graduate Assistant Strength & Conditioning Coach. Upon completing his commitment at GCU, John was hired by the Army to help develop the first Strength & Conditioning program at US Army Garrison – Yongsan in Seoul, Korea. For the next several years, John continued to make a positive impact in the peninsula by leading various health and fitness programs for both the Army and the Air Force. He was eventually hired to stand up the first Army Wellness Center (AWC) in the country and finished his overseas tenure by serving as the inaugural AWC Director at Camp Humphreys. John is certified through the NSCA as a Certified Strength & Conditioning Specialist (CSCS), Tactical Strength & Conditioning Facilitator (TSAC-F), and Certified Personal Trainer (NSCA-CPT). He is an ACSM Certified Exercise Physiologist (ACSM-EP), and is also certified through NASM as a Performance Enhancement Specialist (PES) and Corrective Exercise Specialist (CES). John’s education includes a BA in Psychology, an MBA, and MS in Health & Human Performance. During his spare time, John enjoys training in Brazilian Jiujitsu along with his wife and two children.
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Daniel Williams

Daniel Williams
Daniel Williams is the Manager of Integrated Programs for O2X Human Performance on the West Coast. Starting as an On-Site Human Performance Specialist specializing in Strength & Conditioning, Daniel has cultivated extensive expertise in supporting tactical athletes. With over 12 years of experience in the human performance field, Daniel has a deep passion for working with tactical athletes, helping them achieve peak performance and resilience. Since 2015, Daniel has served as a Human Performance Specialist in the special operations community. His career began with the Air Force Special Operations Command, working with the 24th Special Operations Wing, Special Tactics Training Squadron (STTS). After two years with STTS, Daniel transitioned to Naval Special Warfare Group 1, where he spent over four years supporting Navy SEALs in optimizing their performance and readiness. Daniel’s dedication to human performance and his extensive experience make him an invaluable resource for tactical professionals committed to achieving operational excellence.

Mark Christiani

Mark Christiani
Mark Christiani serves as the East Coast Human Performance Integration (HPI) Manager for O2X Human Performance, where he supports and develops On-Site Specialists across multiple locations while helping integrate strength and conditioning, injury prevention, and holistic human performance programs for tactical and industrial organizations.
Prior to this role, Mark worked as an On-Site Human Performance Specialist supporting the United States Army Reserve 81st Readiness Division, where he delivered strength and conditioning support aimed at improving Soldier readiness and reducing injury risk. Before joining O2X, he served as a Brigade Lead Strength and Conditioning Coach at Fort Bragg and held collegiate strength and conditioning positions at Savannah State University and University of South Carolina.
Mark is an Army veteran with over a decade of experience in tactical strength and conditioning. He holds a Master of Science in Sports Medicine from Georgia Southern University and is a Certified Strength and Conditioning Specialist (CSCS) through the National Strength and Conditioning Association.

Dave Burke

Dave Burke
Dave Burke is the Operations Coordinator at O2X, where he is a key member of the Operations department. In this role, Dave manages logistics to support O2X’s events and on-site specialists, ensuring smooth execution across all programs. He is responsible for organizing shipping to and from events nationwide, ensuring that every O2X training program is fully equipped and operational. As O2X continues to grow, Dave plays a critical role in enhancing processes and strengthening the O2X brand through innovative solutions and creative problem-solving.Before joining O2X, Dave served as a manager at a local beach in Cohasset, MA, where he worked closely with first responders, including emergency management teams and the local fire and police departments. During this time, Dave designed and implemented safety procedures and fitness programs, significantly improving team training and promoting a safer beach environment. His experience in program management and team leadership in a high-stakes setting provided him with valuable skills that he brings to his role at O2X, ensuring that each event is prepared for success.Dave earned his Bachelor’s degree in Entrepreneurship in May 2022 and is currently pursuing his MBA at Lasell University. As a two-time captain of the Lasell Men’s Lacrosse team, Dave led his team to a Greater Northeast Athletic Conference championship and was a multi-year all-conference player, also being a finalist for Defensive Player of the Year as a SSDM. Raised on the Massachusetts South Shore, Dave is passionate about competition, teamwork, and adventure. In his personal time, he enjoys traveling, surfing, and spending time with his family, friends, and three dogs.

Joshua Stuart Shor

Joshua Stuart Shor
Josh Stuart-Shor is a Manager of Integrated Programs for O2X and a Lead Instructor. In this capacity, Josh ensures that the needs of all tactical athletes and client organizations are met through regular engagement and on-site coordination. His role is pivotal in maintaining the effectiveness of O2X’s human performance programs, working directly with clients to ensure optimal program implementation and support. Prior to joining O2X, Josh served in the United States Army, initially as an Infantry Officer in the 82nd Airborne Division before transitioning to a Green Beret with the 3rd Special Forces Group at Fort Bragg, NC. Throughout his military career, Josh completed several combat deployments across Iraq, Afghanistan, and Central Asia, earning numerous combat awards and decorations. During 2015 to 2016, Josh was involved in the Army’s Tactical Human Optimization Rapid Rehabilitation & Reconditioning Program (THOR3) to recover from injuries sustained during combat. This experience fueled his passion for human performance, inspiring him to help others recover physically and mentally to return to duty.After nearly a decade of service, Josh transitioned out of the Army to pursue new opportunities. In addition to his role with O2X, he works as a Lieutenant for a major metropolitan fire department. Josh holds a Master’s degree in Conflict Resolution from the University of Massachusetts at Boston. He currently resides in Boston, MA, with his wife, Jessica, their four children—Camden, Abigail, Harrison, and Anne—and their dog, Buck. In their free time, the family enjoys skiing, hiking, and fly-fishing in the mountains of Vermont.

Alyssa Cafarelli

Alyssa Cafarelli
Alyssa Cafarelli is the Content & Education Coordinator at O2X, where she collaborates with various departments to help deliver high-impact training and education resources, marketing materials, and client reports. In this role, Alyssa plays a key part in ensuring that O2X’s materials meet the needs of tactical athletes and organizations, contributing to the development of effective resources that support health, performance, and recovery. Her ability to work across departments helps ensure seamless delivery of impactful content that benefits O2X’s clients and mission.Before joining O2X, Alyssa worked as a preschool teacher for six years, a role that nurtured her passion for education and creativity. Her experience in education has fueled her desire to help others learn and grow, which she continues to do at O2X by creating and managing content. Alyssa also comes from a family of tactical athletes, which influenced her deep connection to O2X’s mission of supporting those who serve and protect the country. Her background in both teaching and content creation has made her an essential part of the team at O2X.Alyssa earned a Bachelor’s degree in Communications and Media from Plymouth State University, where she graduated Magna Cum Laude and was a member of the Communications National Honors Society, Lambda Pi Eta. While attending Plymouth State, Alyssa developed a passion for health and fitness by creating digital content for the university’s recreation department. In her personal life, Alyssa is passionate about giving back to the tactical community and continues to find inspiration in the work of those who serve the country.

Brooke Williams

Brooke Williams
Brooke Williams is the Inside Sales Representative at O2X, where she plays a crucial role in supporting O2X’s Human Performance Business Development.
Before joining O2X, Brooke worked with enterprise organizations in SaaS sales, where she focused on implementing scalable solutions and streamlining content experiences for clients. Her background in business and technology helped her develop a keen understanding of operations and project management. Additionally, Brooke’s entrepreneurial studies at Bryant University sparked a deep passion for health and wellness, which led her to earn certifications in Nutrition and Personal Training, complementing her work in business. Brooke graduated from Bryant University with a Bachelor’s Degree in Business Administration and Entrepreneurship. While at Bryant, she co-captained the university’s first Women’s Club Lacrosse team during its inaugural season, showcasing her leadership skills and love for competitive sports. Brooke also studied international business abroad in Uruguay and Argentina, cultivating a passion for cultural exchange and travel.
Raised in a family of service members, both military and first responders, she has a strong commitment to giving back to tactical communities. In her free time, Brooke enjoys traveling, staying active, and contributing to causes that support those who serve others.

Elmer Diaz

Elmer Diaz
Elmer Diaz is the Creative Content Specialist at O2X, where he produces high-quality visual content to advance the company’s mission. With a focus on delivering engaging and impactful media, Elmer specializes in creating storytelling visuals that resonate with diverse audiences across multiple platformsWith over five years of experience in the field, Elmer has built a diverse portfolio of work. He previously served as the Media Director at SoldierfitHQ, where he developed and managed multimedia projects. Additionally, Elmer has collaborated on various freelance projects with renowned brands such as CBS Sports and Lululemon, showcasing his versatility and creativity in video production.Elmer holds a Bachelor’s degree in Communication Arts from Hood College, where he developed a foundation in storytelling and media production. Outside of his professional life, he enjoys exploring the visual arts, diving into films, and spending quality time with his family. Elmer’s passion for storytelling continues to inspire both his professional work and personal pursuits.

Hugh Hamill

Hugh Hamill
Hugh Hamill is the Logistics Coordinator at O2X, where he is an integral member of the operations team. In this role, Hugh is responsible for managing the logistics and operational requirements for O2X Human Performance events and On-Site Specialists. He oversees the coordination, organization, packaging, and shipment of materials to various events across the country, ensuring everything is delivered on time and in perfect condition. Additionally, Hugh helps manage inventory and logistical needs at O2X’s headquarters, playing a key role in maintaining efficient operations.Before joining O2X, Hugh gained valuable experience as a supervisor within the Intramural Athletic Board at Providence College, where he developed his passion for sports, health, and physical well-being. This role allowed him to gain leadership experience and further his interest in the logistics of athletic events. Hugh also worked as a marketing intern at a local bank on the South Shore of Massachusetts, where he honed his skills in communication and organizational support, contributing to his broad experience in both operations and marketing.Hugh graduated from Providence College in May 2023 with a major in marketing and a minor in sociology. Growing up on the South Shore of Massachusetts, Hugh was an avid sports fan and played multiple varsity sports during his time at Marshfield High School. Outside of work, Hugh enjoys spending time with friends and family, skiing, and staying active outdoors. His love for sports and fitness continues to drive his personal and professional endeavors.

Ashley Tropea

Ashley Tropea
Ashley Tropea is an Education & Curriculum Coordinator at O2X, based in Massachusetts, where she utilizes her extensive expertise in human performance, injury prevention, and musculoskeletal injury management to design and implement educational programs. In this role, she develops content and training aimed at helping tactical professionals enhance their performance, resilience, and recovery. Ashley excels at simplifying complex medical and performance concepts into practical, engaging materials, ensuring they can be easily applied by professionals across various industries to improve both their physical and mental well-being.Before transitioning to her role as an Education Coordinator, Ashley worked as an on-site Human Performance Specialist for O2X, where she directly supported industrial athletes in optimizing performance and reducing injury risks. This hands-on experience with tactical athletes has greatly influenced the educational programs she now creates. Prior to joining O2X, Ashley spent several years working as a state-licensed, nationally certified Athletic Trainer in both athletic and clinical settings. Notably, she spent five years as the primary athletic trainer at a high school, managing injury prevention and rehabilitation. She also collaborated with orthopedic surgeons in a hospital’s sports medicine department and rehabilitation clinics, gaining significant experience in musculoskeletal care.Ashley earned her Bachelor of Science in Athletic Training from Bridgewater State University in 2015. She continued to expand her expertise in patient education, wound care, casting and bracing, and durable medical equipment application during her time in an orthopedic surgical clinic. Born and raised on Cape Cod, Massachusetts, Ashley is passionate about hiking with her dog, reading, and spending quality time with her friends and family. Her background in injury prevention, rehabilitation, and education allows her to continue impacting others’ well-being by providing valuable insights into performance and recovery.

Kayla Stoneback

Kayla Stoneback
McKayla Stoneback was the first On-site specialist for O2X. She started with O2X in 2019 as the On-Site Specialist for Frederick County Fire and Rescue Services in Frederick, Maryland. She has worked with the tactical population for over eight years now, implementing annual movement screenings, pre-habilitation programs, tactical strength and conditioning programs, and developing an overall health and wellness program for career fire departments. Since then, she has relocated to the Midwest and continues to work with O2X HQ in a new role.
McKayla graduated with a B.S. Exercise Science and a minor in Nutrition. Her experience in human performance started on the athletic side, working with athletes of all ages and ability levels. From there, she wanted to expand her experience and knowledge in the human performance field and became involved with the tactical side of human performance. Kayla then went back to continue her education and graduated with a Masters of Science in Kinesiology and Outdoor Recreation: Sports Performance & Conditioning from Southern Utah University. She chose to complete her Master thesis research within the tactical population. Her research was focused on identifying the significance of the relationship between the physical demands of firefighting and the physical fitness qualities of firefighters. Her research was then published. In addition, McKayla is also a certified Pregnancy & Postpartum Corrective Exercise Specialist and Athleticism Coach.
Outside of work you will find Kayla spending time with her family and friends, enjoying the outdoors, and making many firehouse visits to see her husband who is a career firefighter for Saint Paul Fire Dept. They enjoy working out together and staying active. Kayla enjoys fishing, camping, hiking, hunting, and staying active with her husband and 2 young kids.

Brendan Hanley

Brendan Hanley
Brendan Hanley is an O2X On-Site Human Performance Specialist and Program Manager specializing in Mental Performance with the U.S. Secret Service. Brendan applies his expertise to help individuals develop and refine the mental skills essential for peak performance in high-stakes environments. He equips tactical professionals with tools to enhance focus, resilience, and decision-making, empowering them to push beyond their physical capabilities and achieve their mission objectives.Brendan’s career includes extensive experience working with athletes of all levels, from beginners to professionals, across diverse sports. For nearly a decade, he has collaborated with the United States Army, applying sport and performance psychology principles to enhance operational readiness. Most recently, Brendan was embedded with a special operations unit, where he worked closely with high-level leaders and aviators to optimize cognitive performance and elevate leadership capacity. His philosophy emphasizes that with the right mindset and guidance, growth and learning are within reach for everyone.Brendan holds a bachelor’s degree in Exercise Science, a master’s in Sport and Performance Psychology, and a doctorate in Education and Leadership. This robust educational background enables him to effectively educate others on mental performance skills while also applying these principles to leadership and executive development. Outside of work, Brendan is passionate about empowering individuals to achieve their full potential, both mentally and physically.

Stephanie Lewis

Stephanie Lewis
Stephanie Lewis is an O2X On-Site Human Performance Specialist specializing in Injury Prevention as a Certified Athletic Trainer with the U.S. Secret Service. With over 20 years of experience in the field, she brings a wealth of knowledge to optimizing the performance and well-being of tactical athletes. A BOC Certified Athletic Trainer since 2005, Stephanie also holds certifications as an ACSM Certified Exercise Physiologist, NSCA Certified Strength and Conditioning Specialist, and Certified Tactical Strength and Conditioning Facilitator. Her role draws on a diverse background in athletic training and exercise physiology, with experience spanning youth camps, collegiate athletics, and professional sports.Before joining O2X, Stephanie gained extensive experience across a variety of settings, including physical therapy clinics, orthopedic surgeries, and military health services. She has supported athletes at all levels, from high school to the Olympics, and provided critical care during unique challenges like the COVID-19 lockdown. Her career also includes work with law enforcement health services and the military, reflecting her dedication to enhancing human performance in both traditional and tactical environments.Stephanie’s passion for education is evident in her 12 years as a college instructor and associate professor, as well as her current role as a Certified Emergency Medical Response Instructor for the American Red Cross. She earned her Bachelor’s Degree in Sports Medicine/Athletic Training with a minor in Nutrition and Exercise Science from Central Michigan University and a Master’s Degree in Kinesiology and Rehabilitative Sciences with a focus on Athletic Training from the University of Hawaii. Stephanie’s multifaceted career underscores her commitment to improving human performance and fostering a culture of wellness and excellence.

Joshua Berenbach

Joshua Berenbach
Joshua Berenbach is an O2X On-Site Human Performance Specialist who specializes in Strength and Conditioning at the United States Secret Service. Leveraging his extensive background as an Army veteran, Josh dedicated eight years to military service, including a combat deployment with the renowned 1st Infantry Division. He furthered his education, earning a Bachelor of Science in Athletic Training from Towson University. Throughout his career, Josh has exhibited versatility, working across NCAA Division I and Division III settings, and later transitioning to a private performance facility, where he refined his skills as a strength and conditioning coach.In his past roles, Josh has demonstrated unwavering commitment and excellence across various domains. During his tenure as a strength and conditioning coach with the 82nd Airborne Division, he played a pivotal role in developing and implementing a selection preparation program, aiding soldiers in navigating special operations assessment programs successfully. Additionally, he contributed significantly to the Unit Fitness Leader program, bolstering force readiness through comprehensive education in strength and conditioning and program design. Drawing from his own military experience, Josh’s dedication to serving those who safeguard the nation reflects a profound sense of duty.Josh’s educational background and professional endeavors underscore his multifaceted approach to his craft. His pursuit of a Master of Education in Coaching and Athletic Leadership from the University of Missouri exemplifies his commitment to continuous growth and learning. Beyond his professional pursuits, Josh finds fulfillment as a devoted husband and father to three children. In his leisure time, he enjoys a diverse array of hobbies, including strength training, Brazilian jiu-jitsu, fishing, and motorcycle riding, enriching his life outside the realm of his professional duties.

Michael Vidas

Michael Vidas
Mike Vidas is an O2X On-Site Human Performance Specialist and Program Manager specializing in Strength and Conditioning at HSWCWL-Norfolk. With a passion for leadership and personal development, Mike is committed to helping others reach their full potential. His role involves designing and implementing performance programs tailored to the specific needs of tactical athletes, ensuring they remain fit, functional, and ready for their demanding roles.Before joining O2X, Mike spent over a decade as an entrepreneur, opening and managing three CrossFit gyms, including two in Taiwan and one in New Jersey. His entrepreneurial ventures deepened his love for helping others achieve their fitness goals. Additionally, Mike served four years in the Navy as an Aviation Ordnanceman and Aviation Warfare Systems Operator, deploying in support of the Global War on Terrorism (GWOT). His diverse background spans professional, collegiate, and high-level high school athletes, where he collaborated with orthopedic surgeons, physical therapists, and athletic trainers to create personalized fitness plans. Mike has also worked with individuals in the Department of Defense (DOD), Department of Homeland Security (DHS), and law enforcement to optimize their physical performance for operational readiness.Mike holds a Bachelor’s degree in Social Science and a Master’s degree in Sociology. He also competed in soccer at the Division 1 level, further fueling his dedication to physical fitness. Outside of work, Mike is deeply committed to his family, including his wife Crystal, their three boys, and their Malinois, Madigan. Together, they enjoy outdoor activities like camping, hiking, and trail running year-round. Mike’s entrepreneurial spirit, dedication to fitness, and love for his family continue to drive his mission to inspire others to push beyond their limits and achieve their goals.

Lindsey Deppen

Lindsey Deppen
Lindsey Deppen is an O2X Human Performance Specialist specializing in Mental Performance at HSCWL – Norfolk. She is deeply passionate about helping elite athletes and performers reach their full potential by developing mental resilience and performance strategies. In her current role, Lindsey works with individuals to enhance their mental skills, focusing on areas like energy management, team cohesion, and leadership. She has built a reputation for her tailored approach to mental performance, which has proven beneficial to both tactical athletes and high-level performers.Prior to joining O2X, Lindsey served as the Lead Performance Expert at Fort Eustis, VA, within the Ready and Resilient (R2) Program. In this role, she was a Master Resilience Trainer – Primary Instructor, teaching evidence-based resilience skills to Soldiers and emphasizing how these skills could be applied to both personal and professional aspects of life. She provided customized workshops to various units, including the 511th Engineer Dive Detachment and the TRADOC Band. Additionally, Lindsey traveled to numerous US Army installations, such as the United States Sergeants Major Academy and the United States Military Academy at West Point, to conduct resilience training. She has also worked individually with Soldiers, helping them achieve a range of personal goals, from earning their Expert Field Medical Badge to passing the Promotion Board.Lindsey holds a Bachelor’s degree in Psychology from Mount Saint Mary College and a Master’s degree in Sport and Exercise Psychology from Springfield College. A former collegiate soccer player who earned all-conference honors, she now competes in sprint and Olympic distance triathlons. Outside of her professional career, Lindsey enjoys staying active and continues to challenge herself athletically. Her extensive background in psychology and performance training, combined with her athletic experience, drives her commitment to helping others optimize their mental and physical capabilities.

Savannah Snead

Savannah Snead
Dr. Savannah Snead is an O2X On-Site Human Performance Specialist specializing in Injury Prevention as a Doctoral Physical Therapist (DPT) with HSCWL-Norfolk. In this role, she provides expert physical therapy support, focusing on injury management and prevention to help individuals optimize their performance and maintain operational readiness. With a strong background in holistic care, Savannah is dedicated to helping clients achieve their physical potential and sustain long-term wellness.Savannah’s professional experience includes rehabilitating athletes and service members recovering from conditions such as traumatic brain injuries and post-operative orthopedic issues. During her doctoral studies at Campbell University, she completed a rotation at Fort Belvoir Community Hospital, where she collaborated with an interdisciplinary team to care for military members affected by traumatic brain injuries. This transformative experience ignited her passion for serving those in uniform, leading her to begin her career at Naval Medical Center Portsmouth, where she treated service members across all branches of the military in an outpatient orthopedic setting.Originally from a farm in Virginia, Savannah earned her bachelor’s degree in Human Biology from North Carolina State University in 2016 before completing her Doctor of Physical Therapy at Campbell University in 2019. Certified in Level I and II dry needling, she brings a comprehensive approach to injury prevention and recovery. Outside of work, Savannah and her husband reside in Suffolk, VA, where they enjoy running half marathons, hiking, and rock climbing. As an avid outdoor enthusiast, she is passionate about health, wellness, and empowering others to live their best lives.

Joshua Davies

Joshua Davies
Joshua Davies is an O2X On-Site Human Performance Specialist and Program Manager specializing in Strength and Conditioning with the D.C. Fire and Emergency Medical Services (DCFEMS). With a wealth of experience in professional sports, Joshua brings his expertise to this role, enhancing the physical performance of first responders. His most recent position was as a Performance Coach for Future, where he worked for a year and a half, focusing on optimizing the athletic abilities of individuals. Prior to that, Joshua spent two significant tenures with the Scarlets, a prominent professional rugby club in Wales, where he served as a strength and conditioning coach.Joshua’s career has also taken him beyond the rugby field, most notably as the head of performance for the Chinese Olympic Committee. In this role, he was instrumental in crafting the training program for the Chinese wrestling team in preparation for the Tokyo 2020 Olympics, further showcasing his versatility in the sports performance domain. Additionally, Joshua spent three years in Australia, where he contributed significantly to a leading training facility, honing his skills and knowledge of sports performance in a different cultural and competitive context.Joshua holds a master’s degree in Strength and Conditioning, and his deep-rooted passion for sports and fitness is the driving force behind his work. Originally from Wales, Joshua’s diverse international experiences have shaped his holistic approach to strength and conditioning. His commitment to enhancing athletic performance, whether in sports or tactical environments, continues to make a lasting impact on those he works with.

Anthony Blocker

Anthony Blocker
Anthony Blocker is an O2X On-Site Human Performance Specialist specializing in Strength and Conditioning with DCFEMS. With a focus on enhancing the physical readiness and performance of first responders, he employs evidence-based training methods tailored to the unique demands of the fire and emergency services. His role includes conducting assessments, designing individualized training programs, and providing ongoing support to ensure optimal performance and injury prevention.Prior to joining O2X, Anthony served with the US Army’s Holistic Health and Fitness (H2F) Program as part of the 82nd Airborne Division at Fort Liberty, NC. In this capacity, he played a vital role in developing and implementing the Unit Fitness Leader course and the Pregnancy and Postpartum training program. Additionally, Anthony collaborated with the US Army Parachute Team, where he successfully designed and executed their inaugural strength and conditioning program, further enhancing the team’s operational readiness. Before his tenure with the H2F Program, he worked at a private strength and conditioning facility in Richmond, VA, where he trained Chesterfield County Fire and Rescue personnel and athletes of various ages and skill levels.Anthony holds a Bachelor of Science in Exercise Science from Virginia Commonwealth University and a Master of Science in Exercise Science with a focus on Human Performance from Liberty University. With years of experience in the field of strength and conditioning, he is dedicated to continuous professional development and applying the latest research to his training practices. Outside of his professional commitments, Anthony enjoys staying active and exploring outdoor activities.

Cody Davis

Cody Davis
Cody Davis is an O2X On-Site Human Performance Specialist specializing in Injury Prevention as a Certified Athletic Trainer with DC Fire and EMS. In this role, he focuses on optimizing human performance and reducing the risk of injury by integrating functional movement patterns with strength and conditioning principles. Cody is passionate about making a real and lasting impact on the lives of first responders and their families, ensuring they can perform at their best while staying healthy and resilient.Before joining O2X, Cody spent two years working with Towson University’s football program as an athletic trainer, honing his expertise in supporting high-performing athletes. His professional experience spans Division I and Division III athletics, where he gained valuable insights into injury prevention, performance optimization, and rehabilitation strategies tailored to diverse athletic populations.Cody earned a Bachelor of Science in Athletic Training from Towson University and went on to complete a Master’s Degree in Higher Education Leadership at Salisbury University. With a commitment to professional excellence and a strong educational foundation, Cody brings a wealth of knowledge and practical experience to his role. Outside of work, he is dedicated to helping others achieve their physical goals and enhancing overall quality of life.

Lisa Basarab

Lisa Basarab
Lisa Basarab is an O2X On-Site Human Performance Specialist specializing in injury prevention as a Certified Athletic Trainer with DC Fire and EMS. In this role, she focuses on optimizing human performance through a holistic approach, with a strong emphasis on biomechanical efficiency and balancing joint mobility with muscular strength. Lisa began her professional journey at the University of Central Florida, where she earned her Bachelor of Science in Athletic Training in 2009. She went on to complete a Master’s degree in Health Studies from The University of Alabama and later added the credential of Certified Strength and Conditioning Specialist (CSCS) in 2020.
Prior to joining O2X, Lisa’s career spanned tactical, performing arts, corporate, and clinical settings. She has worked with U.S. Naval Special Warfare operators, Cirque du Soleil performers, Broadway artists and Division I athletes specializing in injury prevention, rehabilitation, and performance optimization. Her work has taken her across the United States and internationally, providing opportunities to collaborate with and learn from a wide range of professionals across the human performance continuum. With a background that blends hands-on clinical care, corrective exercise, and performance training, Lisa brings an evidence-based, human-centered approach to helping individuals perform at and feel their best.
Outside of work, Lisa enjoys spending time with her rescue dog, Romeo, traveling, hiking, exploring new coffee shops, and tap dancing.

Wayne Sasso

Wayne Sasso
Wayne Sasso is an O2X On-Site Human Performance Specialist specializing in Mental Performance with the Arlington County Police Department. In this role, he focuses on enhancing cognitive readiness and psychological resilience for law enforcement personnel. Through individual coaching, mental skills training, and curriculum development, Wayne supports officers in building mental toughness, managing stress, and improving overall performance in high-stakes environments.Wayne has over eight years of experience in the human performance field, working with a diverse range of populations. Prior to joining O2X, he was part of the Optimizing the Human Weapon System program in Tucson, AZ, where he developed and implemented a psychological program for fighter pilots of the A-10 Warthog. His approach included a standardized curriculum, one-on-one coaching, and cognitive training integrated into physical readiness activities. Before that, Wayne served as a Mental Conditioning Coordinator, providing sport psychology services to athletes from youth to professional levels, helping them perform under pressure, recover from setbacks, and strengthen their mental game.Wayne earned his Bachelor’s degree in Sport and Exercise Psychology from West Virginia University in 2015, where he also gained experience as a strength coach for high school and college athletes. He went on to complete a Master’s degree in Counseling with a focus on Sport and Performance Psychology from Boston University in 2018, interning with BU athletics and Lesley University athletics during his studies. Outside of work, Wayne is a dedicated Brazilian Jiu Jitsu practitioner and enjoys spending time hiking with his wife and their dog Winnie or relaxing at local breweries.

Alex Redshaw

Alex Redshaw
Alex Redshaw is an O2X On-Site Human Performance Specialist specializing in Strength and Conditioning with the Arlington County Fire Department. In this role, he designs and implements fitness programs tailored to the demands of firefighting, focusing on enhancing operational readiness and long-term health for first responders. Alex leverages his expertise in movement quality, injury prevention, and physical performance to support firefighters in maintaining peak condition throughout their careers.Before joining O2X, Alex held key roles in both tactical and athletic performance. He served as the Functional Fitness Coordinator for the South Australian Metropolitan Fire Service (SAMFS), where he developed and delivered comprehensive health and wellness programs, including fitness assessments, strength and conditioning sessions, and health education for firefighters. Prior to his work with the SAMFS, Alex was the Head Strength and Conditioning Coach for the University of South Australia Women’s Soccer Team and an Assistant Strength and Conditioning Coach for Basketball South Australia, where he designed evidence-based training programs and mentored interns working with elite junior athletes.Originally from Australia, Alex earned a Bachelor of Exercise and Sport Science and completed a Master of Research (Health Sciences) through a scholarship with the SAMFS. His thesis, The Effect of Aging on Movement Quality in Australian Urban Firefighters, underscores his commitment to optimizing performance and well-being for tactical populations. A passionate advocate for community health, Alex also enjoys cricket and Australian Rules Football, both of which he played competitively before moving to the United States in 2023.

Brandon Athey

Brandon Athey
Brandon Athey is an O2X On-Site Human Performance Specialist specializing in Strength and Conditioning with the Howard County Fire Department. In this role, he focuses on enhancing the physical readiness of first responders by designing and implementing strength and conditioning programs tailored to the unique demands of their profession. Brandon’s expertise lies in optimizing performance, preventing injuries, and fostering a culture of health and fitness among tactical populations.Before joining O2X, Brandon amassed six years of experience as a strength and conditioning coach. From 2021 to 2023, he was part of the U.S. Army’s Holistic Health and Fitness (H2F) Program with the 18th Field Artillery Brigade at Fort Bragg, NC. There, he played a pivotal role in developing the H2F Program, establishing strength and conditioning initiatives at the unit level, and creating the Steel Fitness Trainer (SFT) course, a comprehensive “train-the-trainer” program that certified soldiers as H2F trainers. Earlier in his career, Brandon worked in collegiate athletics at Hagerstown Community College, Shippensburg University, Clemson University, and Mount St. Mary’s University. Notably, he founded the strength and conditioning program at Hagerstown and served as an adjunct professor of exercise science, a role he continues online today.Brandon holds a Bachelor of Science in Exercise Science from Salisbury University and a Master of Arts in Sport Coaching with a focus on Strength and Conditioning from the University of Denver. He is certified as an NSCA-RSCC and NSCA-CSCS,*D, reflecting his high level of expertise in the field. Brandon’s diverse background in tactical and collegiate settings, combined with his dedication to teaching and program development, equips him to contribute meaningfully to any human performance initiative.

Zachary Interewicz

Zachary Interewicz
Zachary Interewicz is an O2X On-Site Human Performance Specialist specializing in Strength & Conditioning with the Frederick County Fire and Rescue. In his role, Zach works closely with firefighters to enhance both their physical and mental performance, ensuring they are well-equipped to handle the demands of their high-risk profession. His expertise in strength and conditioning, combined with his experience working with the U.S. Army’s 10th Mountain Combat Aviation Brigade, provides him with a unique understanding of human performance in high-stress environments.Prior to joining the Frederick County Fire Department, Zach gained valuable experience in a variety of roles, including serving as a strength and conditioning/rehab specialist in hybrid Physical Therapy and Performance Facilities. He also served as the assistant strength and conditioning coach for the Wilkes-Barre/Scranton Penguins, where he gained hands-on experience in elite sports training. These experiences allowed Zach to deepen his understanding of performance optimization, whether in sports or high-stakes professions like firefighting.Zach holds a Master of Science degree in Exercise Science with a concentration in sport and exercise conditioning, as well as a Bachelor of Science degree in Exercise Science from East Stroudsburg University in Pennsylvania. In his personal life, Zach enjoys staying active by playing ice hockey and spending time outdoors. He also enjoys reading, listening to podcasts, and cherishing time with friends and family, further emphasizing his balanced approach to life and performance.

Carson Fralin

Carson Fralin
Carson Fralin is an O2X On-Site Human Performance Specialist specializing in Strength and Conditioning with the West Palm Beach Fire Department. In this role, Carson designs and implements performance programs that enhance the physical readiness and resilience of first responders, ensuring they are prepared to meet the demands of their critical work while reducing the risk of injury.Before joining O2X, Carson served under the U.S. Army’s Holistic Health and Fitness (H2F) program with the 82nd Airborne Division. Embedded as a Strength and Conditioning Coach within the 2nd Battalion of the 504th Paratrooper Infantry Regiment, he advised officers and NCOs on optimizing physical training for combat readiness. Carson also specialized in preparing soldiers for selection schools, including SOAR 160th, SFAS, Ranger, Civil Affairs, and PSYOPS, while developing recovery programs to rehabilitate and reintegrate soldiers after their selection processes. Earlier in his career, Carson was the Head Strength and Conditioning Coach at Midlothian Athletic Club, where he worked with FC Richmond Soccer, the Richmond Generals Ice Hockey teams, and local fire stations in Chesterfield County, VA.Carson earned both his Master’s in Kinesiology and Exercise Physiology and his Bachelor’s in Exercise Science from Virginia Commonwealth University. He is deeply passionate about supporting the health and performance of those who serve their communities and the nation. Outside of work, Carson enjoys staying active and continues to contribute to initiatives that improve the safety and quality of life for tactical and first responder populations.
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