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

Jeremy Noble

Jeremy Noble
Jeremy is an O2X instructor who teaches stress management and resilience building. he is a Licensed psychologist who earned his Ph.D. in Counseling Psychology before joining the U.S. Army to provide psychological services to soldiers and consultation to their commanders. After a few years in a clinical setting, Jeremy transitioned to serving in units within the U.S. Army Special Operations Command (USASOC), where he worked as an operational psychologist providing psychology-specific consultation to maximize individual/unit performance.Since leaving the Army in 2022, Jeremy has shifted his focus towards helping organization leaders maximize their own performance while also creating highly productive and psychologically healthy environments for their employees. He is board certified in Organizational and Business Consulting Psychology. Jeremy currently resides in Opelika, Alabama with his 9-year-old Doberman, Zeke. Most mornings, you can find them running around their small town, chasing sunrises.

Laurie Craigen

Laurie Craigen
Laurie Craigen is an O2X Clinical Resilience Specialist and an Associate Professor in the Mental Health Counseling and Behavioral Medicine Program at Boston University’s Chobanian and Avedesian School of Medicine. At Boston University, she has received teaching and faculty awards highlighting her teaching successes and ability to connect with students. She is also an active licensed mental health counselor in Boston, Massachusetts. Laurie received her PhD from the College of William and Mary in Williamsburg, VA. It was there she developed her passion for working with clients experiencing trauma, grief, anxiety, and depression. Throughout the years, she has developed expertise in working with high performance athletes, clients working in high stress environments, and military connected individuals.Laurie is also an endurance athlete. She grew up swimming and competed at the Division I level in college. As a marathon open-water swimmer, she is in pursuit of the triple crown of open-water swimming; the 20 bridges swim around Manhattan (which she completed in 2023), the Catalina Channel (which she is attempting in the summer of 2023) and the English Channel (which is scheduled for September of 2024). Additionally, Laurie is an ice swimmer and swims year-round in the ocean. She has also competed at the Vermont Winter Swimming Festival in Newport, Vermont.

Maria Trozzi

Maria Trozzi
Maria Trozzi, M.Ed., is an O2X Resilience Specialist. She is an assistant professor of pediatrics at Boston University School of Medicine, Director of the nationally renowned Good Grief Program at Boston Medical Center, a consultant to the Child Development Unit at Children’s Hospital, and an author. Her credentials and expertise have established her as one of the foremost experts on child and family bereavement in the country. Most recently, at the request of the Pentagon, she has been hired as the special resilience consultant to the Naval Special Warfare Development Group.She has provided consultation at Littleton, Colorado, at Ground Zero in the aftermath of 9/11 and in Grenada following Hurricane Ivan. Since 1991, she has lectured nationally to professional audiences in every major city with Dr. T. Berry Brazelton as a regular faculty member of the National Seminar Series.For nearly 20 years, as Director of the Good Grief Program, her training for educators and health professionals focuses on promoting resilience in the face of loss via strategies that strengthen coping skills for families, institutions, and communities. Immediately following 9/11, Trozzi’s principal work expanded to care for the loved ones and their families of the victims of the two planes that had emanated from Boston.Trozzi’s interest in bereavement expands to the grief families experience when a child is diagnosed with a disability, a grief that keeps on giving. Her research is focused on identifying grief touch points – predictable times in a disabled child’s development when parents’ grief is exacerbated. Trozzi’s model for professionals and parents has taken this grief ‘out of the closet’ for both affected families and clinicians that treat them.She is a frequent contributor to both print and electronic media. She has appeared with Dr. Brazelton as co-host of his national television show “What Every Baby Knows” multiple times, as well as several national news programs including “Larry King Live”, Early Show, CNN, NBC, ande ABC.Her first book, Talking With Children About Loss, was published by Putnam-Penguin and continues to be an essential reference for parents and professionals. She has also authored several chapters in pediatric and academic textbooks.She is the parent of two adult daughters and lives in Boston and West Yarmouth. She maintains a private practice dedicated to issues of loss and provides consultation to families facing stressful life events.

Carlos Garcia

Carlos Garcia
Dr. Carlos Garcia is an O2X Resilience Specialist. As a Clinical Psychologist, Executive Coach, and speaker who is dedicated to helping individuals unleash their full potential through high-performance counseling, coaching, and consulting. He is the Founder of The Mastery Group, a company that provides individuals and organizations with the tools to take their leadership and performance to the next level. He is also the Founder of Tampa Counseling and Wellness, a private practice that provides therapy and wellness services to individuals looking to positively transform their lives.Dr. Garcia received his doctoral degree in clinical psychology from Nova Southeastern University and completed his residency at Rutgers University. Dr. Garcia also served in the armed forces as a United States Marine and as a firefighter and paramedic prior to receiving his doctorate degree. Dr. Garcia draws on his years of experience in both military and professional organizations to teach individuals how to become more masterful leaders and performers. His passion lies in helping others grow and create meaningful and lasting change in their lives. Dr. Garcia strives to help people utilize their natural talents to build a happier and more successful life. He is a true catalyst for those looking to achieve peak results.

Lindsay Braden

Lindsay Braden
Lindsay is an O2X Resilience Specialist. She began her career in the Army National Guard as an enlisted member in 1998. She transitioned to Active Duty in 2007 as an officer, and after completing her residency, she served as an embedded psychologist in two units. Lindsay completed a neuropsychology fellowship, completed her board certification in clinical psychology, and ran several clinics until her retirement in 2020. Since leaving the Army, Lindsay has shifted her focus to working to address insider threats within the DoD and intelligence community. Lindsay also has experience working in assessment and selection, which has helped in developing an understanding of the personalities and characteristics of those drawn to working in high-risk environments and necessary techniques for success and effectiveness.

Robert Owens

Robert Owens
Rob Owens is an O2X Leadership and Resilience Specialist. As a Leadership and Resilience Coach, Rob believes that optimal performance in work and life is contingent on the healthy communities we belong to (and the communities that we create for ourselves). Rob has held leadership roles in various sport psychology and wellness organizations and currently serves as the Division Head for Research and Practice for the Association for Applied Sport Psychology. Rob spent most of his professional career in academia designing and implementing professional development programs and teaching courses in leadership, organizational development, coaching, and sport psychology. He retired from academia in 2022 to pursue a career in executive, performance, and organizational development coaching. He is a board-certified leadership coach and a licensed therapist.
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Shane Saenz
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Shane Saenz
Dr. Shane Saenz is a Clinical and Sport Psychologist who has been providing mental health and sport psychology services since 2013. Dr. Saenz has experience working with people from all backgrounds, including treating adults, adolescents, children, families, and athletes, having worked in various settings, such as correctional facilities, university counseling centers, and private practice. He also completed specialized training in Sport Psychology at UC Davis Student Health & Counseling Services (SHCS), where he provided comprehensive services in SHCS, as well as Inter-Collegiate Athletics (ICA). Dr. Saenz received his BA in Psychology from UC Santa Cruz; M.Ed. in Counseling (Sport Psychology emphasis) from Boston University; and his Psy.D. from the University of Denver Graduate School of Professional Psychology. During his internship and postdoctoral residency at UC Davis SHCS as a member of the Sport Psychology team, he specialized in the treatment of athletes through individual mental health services; individual performance consultations; group workshops and performance meetings; and consultations with coaches and various ICA staff. He also co-led groups on Eating Disorders as well as mindful meditation. Dr. Saenz is a Certified Mental Performance Consultant (CMPC) through the Association for Applied Sport Psychology (AASP) and is listed as an approved provider for the US Olympic & Paralympic Committee (USOPC) Registry for both Mental Health and Sport Psychology. Currently, he is in private practice based in San Diego, CA, and works as the Coordinator of Sport Psychology and Mental Health for Scholar-Athletes at UC San Diego Counseling Services and Athletics. Dr. Saenz approaches treatment from an integrative theory, incorporating aspects of psychodynamic, contextual behaviorism, mindfulness and internal family systems (IFS) perspective. He additionally includes values and a multicultural lens and is seasoned in the treatment of a range of difficulties including, but not limited to depression, anxiety, PTSD, learning disabilities, and grief/loss in adolescents and adults. He is a lifelong learner and practitioner who is passionate about mental health, philosophy, psychology.

Michelle Keeney

Michelle Keeney
Dr. Michelle Keeney is a Clinical Psychologist and an O2X Resilience Specialist. Her passion for serving law enforcement professionals, first responders, and military personnel derives from the experiences she had during her 20+-year career with the United States Secret Service. She served as the agency’s sole operational psychologist, consulting on threat investigations, co-responding to persons in crisis, and conducting training on suicide assessment, de-escalation, and threat assessment and management. Dr. Keeney’s last assignment was at the Secret Service Training Center, where she collaborated on the development and delivery of agency-wide training related to personal resilience and well-being, threat assessment and management, and crisis intervention. She has witnessed personal and team transformations when individuals are given hope, provided the needed skills and information, and encouraged to succeed. During trainings, she pulls from her experiences to connect with others and encourage them to take small and impactful steps toward their goals.

Jonathan Frank

Jonathan Frank
Dr. Jonathan Frank is an O2X Resilience Specialist. He earned his doctoral degree in psychology from Nova Southeastern University before joining the Air Force as an active duty psychologist where he has served for over 18 years. For the first half of his military career, he worked as a Clinical Psychologist providing counseling and outreach services to service members and their families. In the latter half of his career, he has transitioned to Operational Psychology where he has focused on leveraging his skillset to improve the performance of various high-impact military units. His areas of expertise include executive coaching, assessment and selection, leadership consultation, and performance enhancement.

Johanna Wolf

Johanna Wolf
Dr. Johanna Wolf is a Harvard Medical School trained psychologist with 20+ years of experience. She believes individuals, teams and organizations have the inherent potential to grow and maximize performance through self-awareness, the recognition of the human experience and building of resilience and emotional intelligence. She obtained her undergraduate degree in International Relations and Hispanic & Italian Studies from The Johns Hopkins University. This was followed by a Doctor of Psychology from The George Washington University. She rounded out her training with an internship at Harvard Medical School and post-doctoral training at Boston University. Since 2008, Dr. Wolf has dedicated her career to supporting the U.S. Military as a leader in psychological health and brain injury at Bethesda National Naval Medical Center and Walter Reed National Military Medical Center, in addition to five + years of experience as a consultant and program manager at a global consulting firm. For the past five years, Dr. Wolf has been embedded as an operational psychologist with a Joint Special Operations Unit in the Washington DC area providing expertise to our nation’s elite men and women on maximizing individual, team and organizational performance, assessment and selection, leadership development and executive coaching as well as advising key leaders on all things psychology and human- related. She resides in Potomac, Maryland with her Psychiatrist husband, three boys and two cavpoos. In her spare time, she is earning five stars as a driver ubering her children to their various activities.

Chris Kersten

Chris Kersten
Chris is an O2X Injury Prevention Specialist and board certified orthopedic clinical specialist with 9 total years of physical therapy experience. He spent four and a half of those years working with US Air Force Special Warfare. On a typical day with the Sandhogs Chris’ morning consists of performance-Based interventions in the form of blood flow restriction training and strength and conditioning programming for athletes in the rehab process. Afternoons consist of providing hands on manual therapy in the form of dry needling and spinal/joint manipulation therapies.
Originally from Kansas, Chris received his bachelor's degree at Louisiana Tech in 2010 while playing four years of collegiate baseball. After playing two years of professional baseball with the Cleveland Guardians, Chris followed his passion of human performance in the form of physical therapy, which he earned his doctorate from Southwest Baptist University in 2015. During his spare time Chris enjoys spending time with his wife Hillary, his son Griffey, and his black lab Angus. Chris’ hobbies are lifting weights, playing golf, hunting, and fishing.

Joseph Adamchak

Joseph Adamchak
Joe grew up exploring and enjoying the the mountains of Northern Idaho. He graduated from the University of Idaho in 2005 and earned degrees in Athletic Training and Physical Education. At that time he became a Certified Athletic Trainer. He then attended the University of Puget Sound and earned his Doctor of Physical Therapy in 2008. After that he worked as a member of UPS Athletic Department including covering Logger Football and Baseball. He also began working at 3 Dimensional Physical Therapy which is a sports outpatient orthopedic clinic that specializes in foot and ankle rehabilitation and running injuries. During that time treated and develop relationships with members of the city and county fire, police, and sheriffs department which first ignited his desire to work with Tactical Athletes. He then had the opportunity to move to Stuttgart, Germany with his wife who was an Active Duty Army Physician and began working as part of the SOCOM Preservation of the Force and Family Program (POTFF) where he helped develop the Human Performance program at Special Operations Command Europe while treating its service members from all branches. The last two years he has been able to continue work in the POTFF program at Marine Special Operations Command in North Carolina. Joe has earned additional Board Certifications in Sports and Orthopedic Physical Therapy. He is a Certified Strength and Conditioning Specialist and has certifications in Trigger Point Dry Needling and Spinal Manipulation. He enjoys spending time with his wife and two young boys and when he can find spare time he trains for endurance sports.
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Ashley King
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Ashley King
Dr. Ashley King is an O2X Injury Prevention Specialist. Ashley received both her M.S. in Athletic Training and her Doctorate of Physical Therapy from Shenandoah University. She has worked with athletes from all walks of life ranging from middle school athletes through D1 football and lacrosse players, to professional athletes in some of the major athletic programs throughout both the US and abroad. She has also had the chance to work with tactical athletes including firefighters, police officers, military personnel, and bomb squad members throughout her career, rehabbing from both surgical and overuse injuries. Ashley enjoys being able to help her patients through every stage of injury starting with prevention, immediate medical management, and finishing with return to sport or work rehabilitation. Ashley lives in Maryland with her dog, Bosco, and she enjoys spending her free time hiking, reading, and dancing. She also regularly volunteers to provide emergency medical care at the Marine Corps Marathon and other on-site athletic events.
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Austin Pack
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Austin Pack
Dr. Austin K. Pack is a Physical Therapist based out of Greenville, South Carolina. He graduated this past year from Philadelphia College of Osteopathic Medicine with his Doctorate in Physical Therapy. Prior to his education, he served 4 years in the Marine Corps as an Infantry Team Leader. He served overseas in several countries during his time. He grew up loving the outdoors, playing sports, being active and helping others. Austin loves to understand human movement, whole body wellness and training for longevity and performance; He implements this through the way he treats his patients/clients. He has worked with athletes of all levels, military, active population, etc. He enjoys giving back to the military/veteran community and to people who invest in their health. Austin is also a certified strength and conditioning coach through the NSCA. He also owns his own performance based physical therapy business, All Prime PT. Outside of his profession, he enjoys spending time with family, being outdoors, being active, playing music, eating good food and drinking good coffee.

Amanda Epps

Amanda Epps
Amanda Borges is an O2X Injury Prevention Specialist. For over 8 years, Amanda has been a noteworthy leader in the human performance space. Amanda has worked with professional and collegiate level athletes, the United States Military and numerous Police and Fire Departments across the country. Amanda holds a Doctorate degree in Physical Therapy and a Masters in Athletic Training from Northern Arizona University, and she is an NSCA Certified Strength and Conditioning Specialist. Amanda also competed as a student-athlete for NCAA Division I University of the Pacific while earning her undergraduate degree.She currently resides in Colorado and enjoys challenging herself with activities including rock climbing, snowboarding, and shooting.

Rachel Oden

Rachel Oden
Rachel Oden PT, DPT, DACM, L.Ac is a former Commander in the United States Navy currently living in San Diego, California. She graduated from the Naval Academy in 1995 with a degree in Mathematics and began her career as a Surface Warfare Officer. She served as the Undersea Warfare Officer, Damage Control Assistant and Training Officer while onboard USS OLDENDORF (DD 972). While assigned to Assault Craft Unit ONE, she served as the Landing Craft Utility (LCU) Division Officer. After her first two Division Officer tours, she was accepted for a lateral transfer to the Medical Service Corps and became a physical therapist. Rachel completed her both Master’s and Doctorate of Physical Therapy degrees at Baylor University. Assignments included Sports Medicine and Rehabilitation Training Center Pearl Harbor, USS THEODORE ROOSEVELT (CVN-71), Navy Branch Medical Clinics, National Naval Medical Center Bethesda and Navy Medical Center Balboa. She has deployed as both a Surface Warfare Officer and a physical therapist to include humanitarian operations onboard USNS MERCY (TAH-19) and supporting ground troops with 2nd Marine Logistics Group. She finished the last four years of her naval career as the Sports Medicine Manager and head physical therapist leading the Human Performance Program at Naval Special Warfare Center. Rachel is a Board-Certified Clinical Specialist in Orthopedic Physical Therapy. She is also a Doctor of Acupuncture and Chinese Medicine and a licensed acupuncturist.

Gregory Hartman

Gregory Hartman
Gregory Hartman is an O2X injury prevention specialist. Greg graduated from the University at Buffalo with his Doctor of Physical Therapy (DPT) degree in 2012. He is board recognized as an Orthopedic Clinical Specialist (OCS). While completing his degree in Buffalo, Greg was a volunteer firefighter and EMT which sparked his interest in working with tactical athletes as he saw the difficulty of the profession both mentally and physically. Greg began his career as a physical therapist outside of Ft. Campbell working with both active and retired military. He has since moved to the Northern, VA region where he has worked with a wide range of patients including professional football and baseball players, first responders, as well as high-performance and endurance athletes. He currently works full-time with a Special Operations unit in Northern, VAGreg is passionate about the science behind pain, treatment of chronic injuries, and helping people perform at their best. He believes in a well-rounded approach to health and wellness. In his personal time, he cycles between strength training, CrossFit-style workouts, and endurance sports, to include competing in Ironman distance triathlons. His team at home is composed of his wife and best friend, Deanna and their dog, “Clemmy”.

Colin Tomes

Colin Tomes
Colin Tomes is an O2X Injury Prevention Specialist. Colin is also a Professor, PhD Candidate, Physical Therapist, Certified Athletic Trainer, and Strength and Conditioning Specialist. His interest in getting 1% better every day began when he enlisted in the US Air Force, with the objective of training to join a front-line combat team. Although he was medically discharged from service for chronic training injuries, during rehabilitation, he developed an interest in learning everything he could about health, wellness and human performance. This led to a bachelor’s degree in Athletic Training, during which he certified not only as an ATC, but as an NSCA TSAC-F and conducted research at Bond University with the Tactical Research Unit and New South Wales Police Force.From there, he attended Physical Therapy school to earn his DPT at Bond University, conducting additional clinical and research work with the New South Wales Police and Royal New Zealand Police Academy. Colin also certified as a CSCS after PT school and is now currently a PhD Candidate at Bond University. His thesis research is focused on understanding the best applications of heart rate variability and wearable tech for tactical athlete mission and training support, as well as how HRV can be used to improve human optimization support staff efforts. This research is conducted primarily with specialist law enforcement organizations in the US and Australia. Colin’s research is matched closely with his clinical interests, which are focused on injury prevention, rehabilitation and mitigation for military, law enforcement and first responders, primarily through improved physical fitness and education.In addition to his teaching and research activities, Colin is also an energetic educator and academic advisor to students in pre-health professions. To keep this momentum up, he is a passionate consumer of espresso, loves participating in CrossFit and enjoys relaxing by a lake with his friends and family.

Jess Best

Jess Best
Jess Best is an O2X Injury Prevention Specialist. Jess is also a Physical Therapist and Board Certified Clinical Specialist in Neurologic Physical Therapy. She has worked as a neurologic physical therapist for 7 years specializing in rehabilitation post-Concussion, Brain Injury, Spinal Cord Injury, Vestibular Disorders and other neurologic disorders and has worked with the tactical population for over three years.She really enjoys helping patients reach their personal goals and works to make each treatment plan individualized and creative to meet their needs. She received her B.S. in Exercise Science from the University of Montana and her Doctor of Physical Therapy from the Medical University of South Carolina.Prior to physical therapy school, Jess worked as a whitewater rafting guide, navigating multi-day rafting trips on the beautiful rivers of Montana and Idaho. She loves being active outside hiking and snowboarding and enjoys traveling to other countries and experiencing new cultures.

Lisa Prasso

Lisa Prasso
Lisa Prasso is an O2X Injury Prevention Specialist. She earned a Doctorate in Physical Therapy from The State University of New York at Buffalo in 2010. After graduation she worked as a travel physical therapist in Texas, Arizona, Oregon and Virginia before joining the medical staff at Walter Reed National Military Medical Center in Bethesda, Maryland. Lisa currently works as a staff physical therapist in Walter Reed’s Military Advanced Training Center (MATC). Her focus is on treating active duty service members by providing care to the amputee/poly trauma population with the goal of returning them to the fullest functional potential, post injury. Lisa is a Certified Adaptive Recreation and Sports Specialist (CARSS) and is Safe Sport Training certified. She is also certified in Functional Dry Needling levels 1 and 2, Battlefield Acupuncture and Personalized Blood Flow Restriction Rehabilitation. Over the past 10 years, she has treated both civilian and military patients in a wide variety of settings. In her free time, Lisa enjoys exploring new cities, going to sporting events, volunteering in the community and playing in recreational sport leagues. She is also interested in martial arts and recently tested for her orange belt in Krav Maga which she has been studying for the past 3 years.

Deborah Sophier

Deborah Sophier
Deb Sophier is an O2X Injury Prevention and Strength & Conditioning Specialist who received her Bachelor’s of Science in Exercise Science at Indiana University in 2006 and Doctorate of Physical Therapy at Midwestern University in 2014. She has been a Certified Strength and Conditioning Specialist since 2006. Deb is a Physical Therapist and works with a variety of conditions, including injuries to the shoulders, knees, feet, hips, and back. She has been performing foot and gait analyses and running evaluations for the past 7 years. She has a unique understanding of law enforcement as her husband is a Police Sergeant in the Chicagoland area.

Nicholas Schumacher

Nicholas Schumacher
Nicholas Schumacher is an O2X Injury Prevention Specialist. Nick graduated from Boston University as a Doctor of Physical Therapy in 2016. In 2017, Nick completed the Orthopedic Physical Therapy Residency at the Massachusetts General Hospital (MGH) in Boston, where he received further training in the management of musculoskeletal injuries. He achieved Board Certification as a Clinical Specialist in Orthopedic Physical Therapy (OCS) in 2018. In 2021, Nick furthered his sports-specific and manual-therapy training by completing the Kaiser Permanente Sports & Manual Therapy Fellowship in Los Angeles and achieved Fellow of the American Academy of Orthopedic Manual Physical Therapy (FAAOMPT) in 2022. In addition to his physical-therapy training, Nick earned certification as a Strength & Conditioning Specialist (CSCS) in 2014. Nick currently works in Tampa, FL with all branches of the military. He has conducted research with USARIEM (US Army Research Institute of Environmental Medicine) in the Performance Division to help prevent injuries among Army soldiers. Additionally, he is the founder/CEO of Schumacher PT & Performance, which has developed the RehabKit and FitKit iOS apps. As a former D1 collegiate runner, Nick has suffered many injuries, which allow him to better relate with his active patients/clients. He continues to be an avid runner, weight lifter, and obstacle-course racer. He practices what he preaches in every aspect of his life.

Richard Westrick

Richard Westrick
Dr. Rich Westrick is an O2X Injury Prevention Specialist. He earned his Doctor of Physical Therapy degree from the U.S. Army – Baylor University DPT program and completed a Sports Physical Therapy residency at West Point, while earning his Doctor of Science degree in Physical Therapy from Baylor University. He is board certified by the American Board of Physical Therapy Specialties in both orthopedic physical therapy and sports physical therapy.Dr. Westrick is an Associate Professor in the Department of Physical Therapy at the MGH Institute of Health Professions in Boston, MA. While an active duty Army Physical Therapist, Rich served in multiple assignments, including several years as the physical therapist for 10th Special Forces Group and combat deployments in support of the Combined Joint Special Operations Task Force – Arabian Peninsula.Dr. Westrick is the founder and current chair of the Sports Section of the American Physical Therapy Association’s Tactical & Combat Athlete Special Interest Group supporting physical therapy for military, police, and firefighters, in addition to combat athletes (martial arts, wrestling, boxing).

Antigone Vesci

Antigone Vesci
Antigone Vesci is an O2X Injury Prevention Specialist currently working as the Director of Performance Therapy at The Edge in Glenview, IL. Prior to joining The Edge team, she worked as an Athletic Trainer & Physical Therapist at Illinois Bone & Joint Institute for nearly 3 years, where in addition to patient care she actively consulted, mentored, and taught. Antigone received her Bachelor of Science in Athletic Training in 2012, and her Doctorate of Physical Therapy in 2014 from Boston University College of Health and Rehabilitation Sciences: Sargent College. She then completed the University of Illinois at Chicago’s Fellowship in Orthopedic Manual Therapy in 2017. Antigone is a member of both the National Athletic Training Association (NATA), American Physical Therapy Association (APTA), and American Academy of Orthopedic Manual Therapists (AAOMPT). Antigone is also a certified health care provider for World Rugby.Antigone has worked across the country from Boston to L.A with all levels of human performance, from a spinal cord injured veteran to professional athletes. She is dedicated to providing evidence-based and patient-centered care to all age groups and demographics, but finds working with tactical athletes, the aging athlete, and patients in chronic pain the most professionally rewarding. She has been with O2X since 2015. In her free time, Antigone likes to paint, sing and play music, and volunteer as a medical health professional. Antigone has volunteered for the Boston Marathon and many other local and national sporting events since 2010. Antigone currently resides in Glenview with her husband, Brian and their daughter Meli.

Jason Mitchler

Jason Mitchler
Dr. Jason Mitchler is an O2X Injury Prevention and Strength and Conditioning Specialist. He serves as functional manager, advisor, and consultant to Buckley Space Force Base on Holistic Health, Health Promotion, Human Performance/Tactical Strength and Conditioning, and Wellness/Fitness programs for the Space Force Guardians at the United States Space Force. Prior to this role, he was the Director of Operations at the William J. Hybl Sport Medicine and Performance Center and was also an Instructor of Strength and Conditioning at the University of Colorado, Colorado Springs. Jason retired from active duty in 2019 and served the majority of his Army career in operational units. His enlisted career began as an infantryman and later as a Special Forces Medic with the 3rd Special Forces Group (Airborne) while completing two tours to Afghanistan. After being commissioned as a physical therapist he was the lead during the implementation of the USASOC THOR3 program at 10th Special Forces Group (Airborne). During this time he oversaw the development of a comprehensive performance and rehabilitation program at Ft. Carson, CO. Following this assignment, he was selected to be the Chief of Physical Therapy at the Pentagon. His most recent deployment was as the sole physical therapist for the Special Operations Task Force-Afghanistan (SOTF-A) serving both American and coalition forces. He is a graduate of the University of Northern Colorado with a BA in Kinesiology and the Army Baylor program with a Doctorate in Physical Therapy. He is an Orthopaedic Certified Specialist (OCS) and Certified Strength and Conditioning Specialist (CSCS). Jason lives in Colorado Springs, CO and has two children. He is an assistant high school wrestling coach and holds a purple belt in Brazilian Jiu Jitsu. In his free time he is an active cyclist, runner, and skier.

Becky McClelland

Becky McClelland
Becky McClelland is an O2X Injury Prevention Specialist who received her B.A. in Athletic Training from Messiah College in 2003, M.S. in Kinesiology from University of Kentucky in 2006, and her Master of Physician Assistant Studies from the MGH Institute of Health Professions in 2017. She has been a Certified Athletic Trainer and CSCS since 2003, and a Certified Physician Assistant since 2017.Following her degree at the University of Kentucky and work at Monmouth University in NJ, Becky accepted a position at Boston University where she stayed for 6 years. While there, she worked as an athletic trainer with varsity and club sports teams as well as the on-campus ROTC, including all military branches. As a faculty member she taught in the undergraduate athletic training and doctorate of physical therapy programs.Throughout her career she did multiple original research projects, becoming an expert in shoulder and scapular kinematics, kinetics, injury prevention and rehabilitation. Since becoming a Certified Physician Assistant, she has been working in Cardiac Surgery at Massachusetts General Hospital. There, Becky is involved in surgery as well as coordinating the medical care of patients after surgery, ensuring they are prepared to live healthy lifestyles when they are discharged home. She also has a faculty appointment at the MGH Institute of Health Professions where she teaches in the PA program.Becky is an avid runner and enjoys races of all sizes. She has volunteered at athletic events throughout the country, including the finish line of the Boston Marathon since 2003. In her free time, she enjoys being active with friends, cooking, and spending time with her multiple nieces and nephews.

Mike Donato

Mike Donato
Dr. Mike Donato is an O2X Foot and Ankle Specialist who is an owner/podiatrist at Rappahannock Foot & Ankle Specialists in Fredericksburg, Virginia. He is board certified in Forefoot, and Reconstructive Rearfoot and Ankle Surgery from the American Board of Foot and Ankle Surgery. He is a fellow of the American College of Foot and Ankle Surgeons and has served as a spokesperson and as a past chairman of the managerial board for Journal of Foot and Ankle Surgery. He is a member of the American Academy of Podiatric Sports Medicine. He has been named among Northern Virginia Magazine’s Top Doctors for 2015, 2016 and 2017. Mike grew up in Boston and graduated from Catholic Memorial High School in West Roxbury prior to attending Princeton University where he played baseball and hockey. He is a graduate of the California College of Podiatric Medicine, San Francisco, California and did his residency at the Yale New Haven Hospital-VA Connecticut Healthcare System. He has a passion for sports and brings his expertise of foot and ankle mechanics and proper shoe wear utilized for various athletic/tactical activities. He is a regular medical volunteer at the Marine Corps Marathon and the other associated Marine Corps Marathon Race Events. He is a USA Hockey level 4 hockey coach and after years of being a head coach he currently serves as an assistant coach for the Piedmont Predator Youth Hockey Club. He is an avid crossfitter and hockey player who participates in masters crossfit competitions and adult hockey tournaments.

Jay Sedory

Jay Sedory
Jay Sedory is an O2X Injury Prevention Specialist. Jay is also a licensed athletic trainer for the United State Marine Corps where he oversees injury prevention for martial arts, water survival, and fitness programs. Jay has been an athletic trainer for over 16 years with over 13 years of those years in the military setting. He is a plank holder for the Marine Corps Force Fitness Instructor Program. Jay is also a trained Tactical Medic with over 10 years of emergency management experience within the military and civilian setting. Most notably, Jay is a deployable asset for Health and Human Services under the Division of Partner Readiness and Emergency Programs (PREP). He is a graduate and instructor for tactical medics under the premier federally recognized program: Counter Narcotics and Terrorism Operational Medical Support (CONTOMS). As a part of this elite cadre of medical professionals, Jay is the lead instructor in sports medicine and human performance topics. Additionally, he has worked with several federal, state, and local agencies in tactical medicine operations.Jay holds a number of additional certifications in strength and conditioning: USA Weightlifting, Corrective Exercise Specialist, Tactical Strength and Conditioning, and Functional Movement Screening. While he excels within the Marine Corps, he is also an adjunct professor for George Mason University. Starting in 2014, Jay has been a regular contributor to the Athletic Training Education Program. Prior to his position with the Marine Corps, he served as the head athletic trainer for the Federal Bureau of Investigation and Drug Enforcement Administration. At this position he implemented a number of injury prevention programs related to heat illness, concussion, musculoskeletal injuries, and sports preparedness. He is also an accomplished professional within the profession of athletic training on national, district, and state levels. Jay is a former President of the Virginia Athletic Trainers’ Association where he oversaw state operations that included paid and volunteer staff, 16 committees, a budget exceeding 500k, and a membership of over 3,000 athletic trainers. He is the recipient of the Virginia Emerging Practice Setting Athletic Trainer of the Year Award in 2012.

Kyle Feldman

Kyle Feldman
Dr. Kyle Feldman is an O2X Injury Prevention Specialist. He is the National Director of Revision Physical Therapy where he has grown and managed the company to 15+ locations in VA, FL, MD, and NC. His clinical expertise spans athletic performance, spinal conditions, and complex cases involving chronic pain management. Dr. Feldman earned his Doctor of Physical Therapy from Shenandoah University in 2014, where he also distinguished himself as an Academic All-American wide receiver for the university’s football team. He continued his professional development through a rigorous residency in orthopedic manual therapy with the Virginia Orthopedic Manual Therapy Institute (VOMPTI) and completed his fellowship in Orthopedic Manual Therapy (FAAOMPT) at the University of Illinois at Chicago, focusing on chronic pain and advanced manual therapy techniques.As a dedicated mentor, Dr. Feldman has trained physical therapists globally, with teaching stints in Kenya, Ghana, Nicaragua, Ecuador, and Haiti. In addition to his clinical work, he holds teaching roles at Shenandoah University’s Doctor of Physical Therapy Program and is a faculty member in the VOMPTI Orthopedic Residency program.Kyle resides in Winchester, VA, with his wife Olivia, two daughters, and their family dog.

Michael Reinhardt

Michael Reinhardt
Michael Reinhardt is an O2X Injury Prevention Specialist. Born and raised in Rochester, New York, Mike was involved in an array of sports while growing up – football, crew, and competitive tournament paintball – which budded his passion for strength sports and performance training. Mike earned his B.S in Exercise Science and a Doctorate in Physical Therapy from the University at Buffalo.Mike is a presenter and content creator for R2P Academy, a clinician-directed continuing education company that seeks to bridge the gap along the rehab to performance continuum. Through a wide variety of coaching and clinical experiences, he has worked alongside an assortment of highly talented performance-minded health professionals. With over 10 years of strength and conditioning experience, Mike has worked with diverse populations of athletes and active individuals from both rehabilitation and performance perspectives. He has been fortunate to work with team sport athletes, firefighters, police officers, SWAT members, retired military, CrossFit, powerlifting, and weightlifting athletes. Mike has competed in Olympic Style weightlifting for the last eight years and remains heavily involved in numerous weightlifting and strength sport communities. He enjoys the beautiful complexity of the sport of weightlifting – a perfect blend of speed, strength, power, mobility, and coordination required to perform the snatch and clean and jerk at maximal potential.Mike has an intense passion for integrating strength and conditioning principles along with the intricacies of human performance and rehabilitation to help realize an individual’s true potential. He enjoys the art of blending the complexities of human movement into a progressive plan geared towards building resiliency and maximizing an individual’s physical and mental capabilities.

Ian Manning

Ian Manning
Ian Manning is an O2X specialist who graduated from Northeastern University in 2003 with his Bachelors in Allied Health Sciences and in 2004 with his Masters in Physical Therapy. He specializes in Orthopedic injuries and in Injury prevention for all demographics and occupations. In 2008, he continued on his education path with the Titleist Performance Institute and now specializes in helping golfers improve their performance and also prevent injuries. Ian is a dry needling specialist and has been utilizing the technique since 2010. He now helps educate other health care practitioners on incorporating the treatment into their therapeutic interventions.Ian opened his own private practice in 2012 and grew the business over the next 10 years. In 2022, he merged with Performance Physical Therapy and now continues to focus on business development and implementing their growth strategy. When he isn’t treating in the clinical setting he travels to treat professional athletes and provide concierge medicine.

Jessica Visintainer

Jessica Visintainer
Jessica is an O2X Injury Prevention Specialist who earned her Doctorate in Physical Therapy in 2009 from Temple University after completing her B.S. in Exercise Science in 2006. During the early years Dr. Visintainer traveled throughout the United States of America building a diverse skill set with focus on sports and orthopedic injury and prevention. She has earned specialty certifications in various areas to provide quality care to endurance and martial arts athletes. Jessica is a certified Mulligan Practitioner and certified Dry Needling Clinician in addition to being certified in Vestibular assessment and rehabilitation. Jessica owns a sports concierge practice specializing in the injury prevention and rehabilitation of the endurance and MMA athlete. As a seasoned triathlete (including long course), Krav Maga instructor and student of Brazilian Jiu jitsu she is poised to not only treat injuries in the athletic population but also understands the demands placed on the human body with elite and tactical athletes. When Jessica is not running her sports practice or preparing for an upcoming race, she enjoys all things in nature especially when in or on the water as an open water swimmer and kayaker. Most recently she has entered into the world of adventure racing which has married both her love of multisport and the wilderness.

Tiffany Sheffield

Tiffany Sheffield
Tiffany Sheffield is an O2X injury prevention specialist. Tiffany graduated from Bellarmine University in Louisville, KY., with her Doctor of Physical Therapy degree in 2019. She holds a Masters in Healthcare Administration and a Bachelor’s in Exercise Sports Science. She has worked with various populations to include but not limited to veterans, active duty, firefighters, horse trainers, equestrians, paramedics and pro-athletes. Her primary focus has been in the outpatient setting where she has effectively treated conditions including orthopedic injuries, neurological disorders, vestibular dysfunction, post-concussion syndrome, post/pre-operative, and pelvic floor dysfunction. Tiffany provides a holistic and comprehensive approach to achieve maximum recovery and performance to minimize long term pain and impairments. She believes in treating the patient as a whole and is passionate about providing an individualized plan of care. The military is near and dear to her heart. Her father served in the United States Army, her brother served in the United States Marine Corps, and her husband served in the United States Navy.

Alexa Bannerman

Alexa Bannerman
Alexa Bannerman is an injury prevention specialist with O2X with 14 years of progressive sports medicine experience as a Certified Athletic Trainer (ATC). She received her Bachelor’s of Science in Athletic Training from the University of Central Florida, and a Master’s in Science in Sport Fitness Management from Troy University. Alexa is currently working as a contracted ATC with Naval Special Warfare in Virginia Beach, Virginia. Prior to transitioning to the tactical athlete, Alexa spent most her career in Division I athletics. Alexa possesses a strong clinical skills, with specialty in myofascial therapies, Functional Dry Needling, post-operative rehab, and innovative return to duty rehabilitation. Born and raised in Michigan, Alexa is a Midwest girl at heart. She is an intrinsically motivated lifelong learner who loves working with like-minded individuals. In her free time, Alexa enjoys weight lifting, eating, outdoor activities, and spending time with her husband and their three crazy kids!

Joe Cavallaro

Joe Cavallaro
Joe is Doctor of Physical Therapy who owns a private practice, Full Spectrum Physical Therapy & Performance, based in southern New Hampshire and currently provides guidance in injury prevention and management with the Health & Ladders program at the Boston Fire Department.
Prior to working with the Boston Fire Department Joe worked with O2X as an Integrated Human Performance Specialist with the Massachusetts National Guard. In this role he helped to coordinate injury prevention and management between individual Soldiers and leadership at multiple organizational levels to facilitate readiness, reduce risk in training and promote positive training opportunities for Soldiers managing new or chronic injuries.
He is a 2013 graduate of Northeastern University’s Doctor of Physical Therapy program, is a Certified Strength and Conditioning Specialist and USA Triathlon coach. Some of his experience include work with the Boston Celtics and Indiana Pacers, the Premier Lacrosse League and professional triathletes based out of New England. After his time with the NBA Joe moved to the private practice world where he continued to work with high school, collegiate and professional athletes and first responders developing multidisciplinary relationships across the medical and performance worlds to help athletes and first responders succeed with return to sport or duty.
Outside of the clinical world Joe is an adjunct faculty member at Merrimack College and Nashua Community College where he teaches courses in Anatomy and Physiology and Therapeutic Exercise to future health care leaders. Joe lives in Hollis, NH with his wife Katherine and their two boys. He is a triathlete and avid outdoor enthusiast, active in several running and triathlon clubs, and can be found year-round in the White Mountains of New Hampshire hiking, ski touring or climbing rock and ice.

Maria Urso

Maria Urso
Dr. Maria Urso is an O2X Nutrition Specialist. Dr. Urso is a scientific advocate for optimal health and nutrition. She followed her passion for science and health and obtained her PhD in human physiology from the University of Massachusetts, Amherst. While that degree led her to a career as a scientist, first as an Active Duty soldier in the Army, then in Medical Affairs for industry, she continues to follow her passion for health and nutrition by serving as an advocate and educator. Her philosophy is that nutrition and fitness should be for life, not a single event (or outfit). To do this, we need to follow scientifically-sound and sustainable practices, not the latest story or fad from the media. Maria uses her education in biochemistry, physiology, and nutrition, as well as personal experiences with competitive running, to develop nutrition and exercise plans that make sense and allow her ‘students’ to eat and train for life. She understands that this is an ever-changing field, and staying on top of the latest research is critical. She has published over 30 papers in scientific journals and several book chapters, but she is most comfortable when using her scientific background to write or speak about nutrition and fitness practices. In her free time, Maria loves to run, swim, hike, adventure travel, and read.

Erik Bustillo

Erik Bustillo
Erik Bustillo is an O2X Nutrition Specialist. He is a Registered Dietitian and former Vice President, ambassador and fellow of the International Society of Sports Nutrition (ISSN). Erik is also a Certified Sports Nutritionist through the ISSN, a Certified Strength Coach through the National Council on Strength & Fitness- NCSF, and a Certified Personal Trainer through the National Strength and Conditioning Association – NSCA. He also specializes in reading and understanding blood/lab values that have a direct effect on human physiology and one’s ability to perform. Several fields of expertise are energy improvement, performance recovery, weight loss, working with professional/elite athletes, stress management, inspirational communication, mindset, and habit change. Erik has studied the science of nutrition for many years because he believes that nutrition is an elemental factor with the state of well-being. He has been and is currently involved in conducting research studies as well. His mission is to make this world a better place and he strives to accomplish this by helping others achieve their health and life goals. He believes that with hard work and determination, everyone is capable of accomplishing what they set their mind to. He enjoys training on a regular basis as he feels what we do in fitness (weight room, gym, field, etc.) translates to the real world. He does this by playing sports, getting outdoors, high intensity training, weight lifting, CrossFit™, and improving his aerobic fitness by running and chasing his dog. Erik is passionate about making his patients/clients push themselves harder and further than they ever imagined. His practical approach puts exercise and nutritional science into easy-to-follow steps for action.

Patrick McCarthy

Patrick McCarthy
Patrick McCarthy is an O2X Nutrition specialist who specializes in performance nutrition and has a background in both sport and exercise science and nutrition. Alongside this, Patrick has 10+ years’ of experience as a basketball coach and 5 years as a semi-professional player in Ireland. His coaching experience has provided him with the ability to communicate effectively to athletes of all types. On the other hand, his athletic career provided first-hand experience of the importance of nutrition, training, recovery and all the other 1% details required for optimal performance. In 2018, he was appointed as the senior nutritionist for a top level football club and has been working with high-performance athletes ever since.Patrick has a passion for bridging the worlds of science and coaching by breaking down evidence-based science to practical and actionable information. He believes that now more than ever, we are what we eat. He strives to help improve peoples’ understanding of what their body requires on a daily basis not only to function, but to excel in training and performance. From this, one’s confidence improves in situations where physical fitness, endurance, strength and recovery are critical. Patrick currently hosts a nutrition-related podcast called The Ubuntu Nutrition Podcast, where he strives to complete the goals mentioned above. The term ‘Ubuntu’ is an ancient Zulu phrase that is loosely translated to ‘I am because we are’. It places an emphasis on a family, team approach to everything. At O2X, Patrick can see that togetherness and teamwork are core values, which is why he is so excited to be a part of this brilliant program!

Tiffany Batsakis

Tiffany Batsakis
Tiffany Batsakis is an O2X Nutrition Specialist and Registered Dietitian. She earned her Master’s Degree from the University of the Incarnate Word in San Antonio, Texas, and completed her dietetic internship there as well. She served in the United States Army for six years. As a result, she is familiar with the needs of the tactical athlete and maintains a high level of physical fitness in her day to day life. Upon completion of her degree, Tiffany worked for the non-profit organization, Meals on Wheels of San Antonio, where she planned the menu and conducted nutrition analysis for the meals served to over 3,800 homebound seniors daily. While at the organization, she counseled clients, worked with kitchen staff and food vendors, maintained the site’s blog, conducted surveys, and mentored student interns. In 2016, Tiffany left her job to travel, mostly in Asia, for two years. When she returned, she started her own business as a consultant and contract dietitian, with a focus on healthy living, nutritious meal plans for clients, menu planning and nutritionanalysis for various organizations, and general nutrition education classes tailored to the client. Tiffany has worked in a variety of settings, including one of the largest grocers in Texas, HEB. As a retail dietitian, she counseled clients and helped shoppers find quality food products, meal ideas, and nutritious recipes. She has also taught Cooking and Nutrition in Recovery (from substance use disorders) at addiction treatment centers, including one facility that caters specifically to active military, veterans, and firefighters in recovery.As a registered dietitian, Tiffany has a passion for health and wellness and is also a personal trainer. She remains active in her daily life, conducts weekly workouts with members of the fire department, and enjoys the outdoors. She earned a certificate in Topics in Human Behavior at Harvard Extension School and feels behavior change is a very helpful way to improve nutrition outcomes. She is a member of the Academy for Nutrition and Dietetics (AND), and belongs to different dietetic practice groups including, CV Wellness, and the Behavioral Health Nutrition Group through the AND. She has also attended various sports and nutrition symposiums and stays up to date with the latest and greatest in the world of nutrition via webinars, conferences, and training events.

Samantha Poccia

Samantha Poccia
Samantha is an O2X Nutrition Specialist. Prior to her time at O2X, Samantha worked in market research for several years. During that time, she collaborated and built relationships with Fortune 500 companies to connect them to their consumers through private on-line communities. She also had the opportunity to work on global accounts in Australia and New Zealand, traveling there to meet with the clients.Samantha received her Bachelor of Science in Communications with a minor in Entrepreneurship from Syracuse University in 2013. While there, she competed on the Club Women’s Ice Hockey team and was the co-captain her senior year. She decided to change career paths and went back to school in 2017 to become a Registered Dietitian. She received her Master of Nutrition from Simmons University, as well as a Certificate in Sports Nutrition and a Certificate in Integrative Functional Nutrition. While completing her M.S., Samantha researched and co-authored an article investigating the behaviors, attitudes, and beliefs of pregnant women as it relates to their nutrition and supplementation. Her research has been published in Nutrition and Health Journal.Samantha enjoys running and has completed three marathons and two half-marathons, with her eyes set on more in the future. For the past 8 years she’s been a Lagree and spin fitness instructor in Boston, teaching at SLT and Equinox, respectively. In her free time, Samantha enjoys being with friends and family, including her new nephew, watching movies and shows, reading new books, spending as much time outside as she can, and traveling to new places.

Chloe Schweinshaut

Chloe Schweinshaut
Chloe Schweinshaut is an O2X Nutrition Specialist. Chloe is a registered dietitian who owns a private practice, Riverside Nutrition in Cambridge, MA. She works with a variety of clients who are looking for ways to improve their health through diet and lifestyle with a particular focus on first responder nutrition.Chloe has worked with members of the Boston Fire Department, New York Fire Department, Cambridge Fire Department, Boston Police Department as well as private ambulance services to lead a healthier lifestyle by helping them with issues such as weight loss, cancer, diabetes, and heart disease. She is also a sought-after speaker and has spoken at Boston Fire’s Mullane Health and Safety Symposium, FDNY’s Uniformed Officers Association NYC Health & Safety Seminar, FDNY’s Annual Retirees Seminar, as well as the first ever Women Firefighter’s Health and Wellness Conference held in Boston. Chloe lives in Cambridge, MA with her four kids, two dogs and firefighter husband.

Andrea Givens

Andrea Givens
Andrea Givens, MS, RD, CSSD, is an O2X Nutrition Specialist. Andrea has been a Registered Dietitian for over a decade and is a Board-Certified Specialist in Sports Dietetics. She attended San Diego State University for undergrad and completed her dietetic internship through California State University, Sacramento in 2010. Andrea spent her early career building a strong foundation in dietetics working as a clinical dietitian in acute care, including serving veterans as a clinical dietitian at the VA. Transitioning into sports nutrition around 2015, she worked with recreational endurance and CrossFit athletes, Division I collegiate athletes at University of the Pacific in Stockton, CA, spent the 2018 MLB season as a Sports Science Intern for the San Francisco Giants, and was a Sports Nutrition Fellow for USA Volleyball during an Olympic qualifying year (2019).Andrea returned to school and earned master’s degrees in Nutrition and Exercise Physiology concurrently from San Diego State University in 2020. During her graduate program, she began working in human performance research for the military and published data on metabolic demands of cold-water diving in Naval Special Warfare operators.In addition to providing nutrition expertise to O2X tactical athletes nationwide, Andrea currently works on a physiology team in the Warfighter Performance Department of Naval Health Research Center in San Diego, conducting operationally relevant research to optimize readiness in military personnel. She also volunteers on the Research and Education Committee for the Collegiate and Professional Sports Dietitian Association and is a member of the Sports and Human Performance Nutrition Dietetic Practice Group of the Academy of Nutrition and Dietetics.A California native, Andrea is an avid outdoor athlete and has crossed the finish line of numerous half marathons, triathlons, 10Ks, summited Half Dome, and swam from Alcatraz. She is a military spouse and has recently learned how to freedive thanks to her husband.

Kelli Reese

Kelli Reese
Kelli Reese is a Registered Dietitian, Board Certified Specialist in Sports Nutrition and O2X Nutrition Specialist. She completed her undergraduate degree at Ohio University, her dietetic internship at The University of Akron and her master’s degree in nutrition from Arizona State University. Kelli has been a dietitian since 2010 and has worked in numerous areas of nutrition and healthcare including hospitals, long term care facilities, gyms and a halfway house for drug and alcohol recovery, but her real passion lies in sports nutrition. In the past few years Kelli has worked with an array of athletes including competitive powerlifters, military tactical athletes, high school and adult athletes, runners and triathletes. In addition to her Kelli role as O2X Nutrition Specialist, she is a Clinical Dietitian and Wellness Coach at University Hospitals in Cleveland, Ohio and in 2021 opened her own sports nutrition practice: Inso Sports Nutrition. She is the current (2022) President of the Greater Cleveland Academy of Nutrition and Dietetics and was voted Ohio’s 2020 Recognized Dietitian of the Year by the Ohio Academy of Nutrition and Dietetics for her significant contribution to the profession of dieteticsAs an athlete, (having played rugby for seven years before switching to running marathons and half marathons) and personal trainer, Kelli is familiar with the challenges athletes and tactical athletes face on a daily basis. This understanding allows her to take a personal approach in helping clients find nutritional balance when juggling the demands of their sport, jobs and personal life all while remaining competitive and goal oriented.Kelli lives in Cleveland, Ohio where she was born and raised with her husband (and fellow runner), their four year old daughter, cat and dog. In her spare time she enjoys working out, making funny Instagram Reels and collecting house plants. Her nutrition philosophy: food fuels performance, nourishes the soul and has the power to bring us all together.

Laura Moretti Reece

Laura Moretti Reece
Laura Moretti Reece is an O2X Nutrition Specialist who completed her Master’s Degree in clinical nutrition as well as her didactic program in clinical dietetics at New York University. She previously worked as the Primary Nutrition Therapist at Columbus Park Collaborative and Appleman Nutrition in New York City before relocating to Boston in 2015 to join the Female Athlete Program and Sports Medicine/Orthopedics Team at Boston Children’s Hospital.As a Certified Specialist in Sports Dietetics, Laura specializes in sports performance-based nutrition, as well as treating low energy availability, disordered eating, and eating disorders in athletes. Laura has an extensive amount of experience in consulting and collaborating with Olympic and professional athletes, local colleges and universities, as well as professional sport and dance facilities. She is the consulting dietitian for the Boston Ballet Company and Schools, US Rowing, and is an instructor at the Institute for Rowing Leadership in Boston.Laura previously served as the Co-Chair of the International Academy of Eating Disorders Sport and Exercise Special Interest Group, as well as the co-chair of the Boston Children’s Hospital Female Athlete Conference. Laura is also the owner of a Boston based private group practice Laura Moretti Nutrition LLC. She is also a competitive triathlete and a two-time Boston Marathon qualifier and finisher.

Nick Barringer

Nick Barringer
Dr. Nick Barringer is an O2X Nutrition Specialist. Nick currently researches and serves as an assistant professor at the United States Military Academy. Previously while working at the United States Army Research Institute of Environmental Medicine he researched Warfighter nutritional requirements in differing environments to include deployed Special Operators. Prior to that, he taught performance nutrition at the Army-Baylor Graduate Program in Nutrition. Nick served in the 75th Ranger Regiment as a member of the Ranger Athlete Warrior (RAW) program where he oversaw the nutrition and aspects of the physical training of Rangers.Nick received his undergraduate degree in dietetics from the University of Georgia, his master of science in exercise science from California University of Pennsylvania and his doctorate in kinesiology from Texas A&M.Nick is passionate about improving nutrition and performance in tactical athletes and has the unique perspective of a researcher, teacher, and practitioner who has gone through physically demanding courses such as Ranger School, Survival Evasion Resistance Escape (SERE), Airborne, Air Assault as well as having deployed to both Iraq and Afghanistan so he best understands both the academic and applied demands of the tactical athlete. Nick has presented at both national and international conferences on tactical athlete nutrition and performance and his research has appeared in multiple media outlets such as Science Daily and Men’s Journal.

Sean Spanbauer

Sean Spanbauer
Sean Spanbauer is a Sport and Tactical Performance Dietitian and retired Army Officer with over 25 years of service. He is no stranger to the human performance industry, having spent 11 years as a personal trainer and 12+ years as a performance dietitian working with world class athletes and the Army’s Special Forces Operators. Prior to his current position, Sean spent a significant portion of his career as an educator, training military healthcare providers as well as working in a clinical setting as an in-patient and out-patient dietitian. He spent 12 months as a Sports Dietitian Fellow with the United States Olympic and Paralympic Committee (USOCP) assigned to work with a variety of athletes and sports teams. For the last 7 years, Sean has been the owner/operator of Nurti-Sean Sports Nutrition Consulting, working with the USOCP, multiple NGBs, various college athletic departments, sports performance organizations, and first responders.In addition to being a Registered Dietitian/Nutritionist, Sean is a Certified Specialist in Sports Dietetics (CSSD) and a Certified Strength and Conditioning Specialist (CSCS). He holds a Bachelor’s Degree in Nutrition and Dietetic from Kent State University and a Master’s Degree in Nutrition from Baylor University.

Deanna Busteed

Deanna Busteed
Deanna is a Performance Dietitian for The Intrepid Spirit Center at A.T Augusta Medical Center at Fort Belvoir, and O2X Nutrition Specialist.
She previously served for 10 years/seasons as the Sports Dietitian for George Mason's Center for Sports Performance, servicing over 500 Division I athletes, and is a member of the adjunct faculty teaching in the College of Education and Human Development. Deanna also serves as a Senior Fellow for the Center for the Advancement of Wellbeing, an interdisciplinary research and teaching center at George Mason University dedicated to catalyzing human well-being.
Additionally, she is a 200-hour Registered Yoga Teacher (RYT-200) and holds a specialty 140 hour Trauma Senstive YogaFit Warriors certification. Deanna is passionate about teaching Mind body movement (Yoga, Pilates and Barre) to people of all ages and uses a trauma informed approach to ensure a safe space for all participants.

Dorette Franks

Dorette Franks
Dorette Franks, MS, RDN, is an O2X Nutrition Specialist. As a board-certified Registered Dietitian Nutritionist (RDN), Dorette graduated with honors, earning a Master of Science in Nutrition and Human Performance from Logan University, completed a dietetic internship through Iowa State University, received a Bachelor of Science in Dietetics from San Francisco State University, and holds coaching certifications on behalf of USA Triathlon and USA Track & Field.Dorette has worked in the field of nutrition and human performance since 2004. Following the completion of her first Ironman New Zealand in 2001, she quickly established her career as an endurance coach. In 2005, she led as head coach for the San Francisco Nike Women’s Marathon and has continued to coach runners and triathletes to successful Boston Marathon qualifications and Ironman finishes. Dorette is a six-time Ironman finisher, placing 1st in division and 3rd overall female at the Full Vineman, division winner at Ultraman Canada, a three-time Boston Marathon qualifier/racer, and represented Team USA at the USA Triathlon Long Course World Championship. As a clinical sports dietitian she’s worked alongside cardiologists, exercise physiologists, strength trainers, and coaches integrating nutrition support to ultra-cyclists, ultra-runners, and triathletes as they face the most rigorous endurance events, including the Race Across America (RAAM), the Ultraman World Championship, the Ironman triathlon. Dorette addresses performance and health through functional and integrative practices using evidence-based approaches. Her expertise includes pairing nutrition with physiological data (V02, RMR, substrate utilization), biochemical and metabolite testing, sweat and hydration analysis, nutrition for body composition and weight management, mental health (and addiction), gut-health/the gut-brain axis, as well as the menstrual cycle & peri/post-menopause nutrition.Dorette is passionate to impart her knowledge and expertise to others. Her nutrition tips and coaching plans have been published on behalf of the Academy of Nutrition and Dietetics’ Sports Cardiovascular & Wellness Nutrition (SCAN), Triathlete, Runner’s World, Shape, and Women’s Health Magazines. She also conducts speaking events for first responders, in corporate health, universities, and sports events.In her free time, Dorette can be found enjoying open water swims (minus the wetsuit) in San Francisco Bay, riding her bike beyond Mt. Tamalpais, and running the trails with her golden retriever, Leela, who is training to become a First Responder Therapy Dog.

Mary Pat DeHaven

Mary Pat DeHaven
Mary Pat is an O2X Nutrition Specialist. As an accomplished professional in the field of nutrition and dietetics with a passion for promoting healthy living and optimizing performance through proper nutrition. Mary Pat is currently the Director of the Master of Science in Nutrition & Dietetics program at Drexel University, with a specialized focus on sports nutrition. In this role, she not only shares her wealth of knowledge with aspiring nutrition professionals but also contributes to the advancement of the sports nutrition profession.Mary Pat earned her Bachelor of Science degree in Exercise Science from the University of Scranton. Her strong foundation in exercise science laid the groundwork for her deep understanding of the relationship between physical activity and nutrition, setting the stage for her future success. Continuing her academic journey, Mary Pat pursued a master’s degree in human nutrition at Drexel University. This advanced degree provided her with a comprehensive knowledge of human nutrition, enabling her to provide evidence-based dietary guidance to individuals of all ages and backgrounds. Mary Pat DeHaven’s career in nutrition and dietetics spans various healthcare and academic institutions, including The Massachusetts General Hospital and The Children’s Hospital of Philadelphia. During her tenure as a clinical and pediatric dietitian, she honed her skills in providing personalized nutrition counseling to patients with diverse medical conditions. Mary Pat is passionate about improving the health and well-being of others and excited about working with O2X!
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Danielle Demarest
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Danielle Demarest
Danielle Demarest is an O2X Nutrition Specialist. Danielle has been a Registered Dietitian for 8 years and is a Board-Certified Specialist in Sports Dietetics. She is originally from South Carolina and attended Clemson University, earning her Bachelor and Master of Science in Food Science, Nutrition, and Dietetics. Go Tigers! Danielle has an extensive history in both collegiate athletics and tactical performance. She is a former NCAA Division I athlete, playing golf for Winthrop University, and has experience working with collegiate athletes at Clemson University. Danielle also served in the U.S. Army for 5 years as an active-duty Registered Dietitian, working with Service Members and Veterans across all branches, including U.S. Army Special Operations Command. Over the course of her career, Danielle has acquired a well-rounded foundation in dietetics. She has worked in critical care and outpatient nutrition, has acquired leadership experience supervising personnel and managing food services, and has worked with a variety of tactical populations, optimizing human performance. Danielle enjoys cooking with her husband for friends and family. Her favorite dishes to make include blackened salmon, smoked meatballs, and lots roasted of veggies! She is a military spouse of a Marine (Go Army!) and loves taking her two dogs, Basil and Pepper, for an exhausting run. Danielle has completed several half marathons across the country and enjoys hiking and snowshoeing in Colorado. In her downtime, she has also experimented with making her own homemade wine and mead. As an O2X teammate, Danielle is excited to engage with individuals and organizations to help simplify the complexities of nutrition across the spectrum of life!
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Ken Hockycko
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Ken Hockycko
Ken Hockycko is an O2X Lead Instructor. He joined our team in October of 2024 after serving 24 years in the United States Navy and retiring as a Captain. As a fighter pilot in the F-14 Tomcat and F/A-18 Super Hornet, Ken led more than 80 combat missions in Iraq and Afghanistan, graduated from the Navy Fighter Weapons School (TOPGUN), received recognition as the Navy’s “Attack Aviator of the Year” (2015), and commanded Strike Fighter Squadron 211 while conducting Iran and Russia deterrence missions. In staff tours he served as Speechwriter to the Secretary of the Navy, National Security Advisor to a United States Senator, Chief of Staff to the Chairman’s Ukraine-Russia Crisis Management Team, Battle Director at the U.S. Central Command Combined Air Operations Center, and Director of Navy Strategy and Concepts for the Chief of Naval Operations. Ken is a member of the National Defense University’s (NDU) Program for Emerging Leaders on Weapons of Mass Destruction, a graduate of the Georgetown Government Affairs Institute Legislative Fellows Program, an International Leadership Fellow at the Center for Strategic and International Studies, a Defense Ventures Fellow, and the recipient of the NDU Commandant’s Writing Award. He holds a B.S. in Economics from the United States Naval Academy, where he was the Captain of the varsity gymnastics team, and an M.B.A. from the Tuck School of Business at Dartmouth College. In addition to O2X, Ken is co-founder and managing partner at Dauntless Advisory, a Private Wealth Management firm dedicated to enhancing the lives and legacies of service families. He enjoys participating in outdoor activities with family and friends and engaging with high-performing teams of all sorts.

Robert Montz

Robert Montz
Dr. Robert (Rob) Montz is an O2X Lead Instructor and Sleep & Fatigue Management Specialist who served in the Army for over 35 years. Rob served in the 75th Ranger Regiment and was one of the initial members to develop and implement the Ranger Athlete Warrior (RAW) program encompassing four pillars of performance: functional fitness, sports medicine, sports nutrition, and mental toughness. Rob served as the Director of the Preservation of the Force and Family, U.S. Special Operations Command’s holistic and integrated human performance program aimed at optimizing performance and increasing readiness for special operations forces. He currently works as a Health and Human Performance Program Lead for a governmental contracting company. Rob received his undergraduate degree in Occupational Therapy from the University of Pittsburgh, a Master of Health Science from the University of Florida, and his doctorate in Occupational Therapy from Rocky Mountain University of Health Professions. He also received a Master in Strategic Studies from the U.S. Army War College. Rob is passionate about improving performance and mental toughness in tactical athletes. He has gained a unique perspective as a clinician, therapist, and soldier, having gone through physically demanding courses such as Ranger School, Survival Evasion Resistance Escape (SERE), Airborne, and Air Assault. He also has six combat deployments to Iraq and Afghanistan. Rob has presented at national and international conferences on human performance and, in his spare time, enjoys fitness challenges, especially completing Spartan and Tough Mudder races.
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Dianna DiToro
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Dianna DiToro
Dr. Dianna DiToro is a physical therapist and officer in the Marine Corps Reserves. She has over 22 years of service in various roles, statuses and organizations. Some of her Marine Corps experiences include deployments to Iraq performing aviation command and control over western Iraq, working at the Marine Corps school for aviation tactical excellence, teaching tactics during large force exercises, working in a Joint environment standing up a new directorship and as a squadron commanding officer. During times in her life when the Marine Corps took a back seat, she was busy learning and working as a physical therapist and strength and conditioning coach. She taught the CrossFit Mobility and Movement course for several years and coached at San Francisco CrossFit under the influence and tutelage of Dr. Kelly Starrett and Juliet Starrett. Dianna also created user-friendly content and specialized human performance seminars for local first responders, law enforcement and military groups. She believes firmly in post-traumatic growth as much of her professional career happened after the death of her husband in a mid-air helicopter collision during a military training exercise in 2012. She looks forward to bringing the totality of her education and experiences as a force for good for O2X clients.

Johnathon Korenek

Johnathon Korenek
Johnathon “Johnny” Korenek is a former Special Warfare Officer with nearly 22 years of Active Duty experience leading, training, and developing high-performance teams in dynamic and high-risk environments, including Afghanistan and Iraq. Over the last few years of his active duty career, Johnny served as the Chief of Special Warfare Officer Accessions, where he spearheaded assessment and selection programs and mentored candidates and staff to enhance their operational capabilities. He played a vital role in ensuring the success and safety of high-risk training events, overseeing logistics, compliance, and curriculum execution for hundreds of personnel. Upon discovering his passion for performance coaching, mental toughness training, and stress management instruction, Johnny reinforced his credentials by obtaining his Master’s degree in Educational Leadership. Johnny combines instructional expertise with real-world operational experience to develop training programs that enhance physical and mental resilience. His passion for helping tactical athletes sustain peak performance and longevity drives his work with O2X, where he continues to make a lasting impact on military personnel, first responders, and other high-performance professionals. Johnny is a true family man and is passionate about homeschooling his children alongside his wife, Jenni, in south Texas.

Craig Poole

Craig Poole
Craig was born and raised in the highlands of Scotland. His passion and talent for all things ‘sport and fitness’ became evident at a young age when he became national cross-country champion at the age of 12. He continued competing throughout high school, winning 10 national titles, and representing Scotland at international level. He joined the Royal Air Force at age 19 as a Physical Training Instructor and began a lifelong obsession with fitness and wellbeing. He then, in pursuit of entering the elite elements of the UK military, transferred to the Marines and attended Commando training – earning the prestigious Kings Badge and his green beret. Craig conducted multiple combat deployments to the Middle East, in charge of teams of up to twenty commandos and was awarded numerous commendations for his service and actions. While serving, he earned his bachelor’s degree in business & enterprise from Edinburgh Napier University, earning the University Academic Medal for placing top of his cohort. Upon leaving the military, Craig worked in the security industry in various leadership roles before entering the world of Executive Protection where he has safeguarded the lives, reputations, and assets of multiple UHNWI and public figures. He has created, trained, developed, and run several protection details across the globe. Recently, he started his own Protection Company and is ‘enjoying’ the stresses of entrepreneurship. Craig spends his spare time with his two young boys and wife exploring the US.

Jason Goyanko

Jason Goyanko
Jason separated from the Navy in 2019 after 10 years of service. He spent 5.5 years in The Navy Special Warfare community serving as an Unmanned Aircraft Systems operator with Special Reconnaissance Team One in Coronado. Post-military, it has been his passion and his “why” to forge connections with others through a contributory and abundance mindset in serving others so they can lead inspired lives. Jason currently works as a commercial real estate consultant and technical recruiter, and brand ambassador. In 2021, he organized and founded a veteran fundraiser called The Swim for SOF, a 3.3 mile swim from Coronado to The USS Midway, which has raised $825K in three years for The Honor Foundation nonprofit. In his free time, Jason is an avid surfer, snowboarder, climber, dirt biker, aspiring bow hunter, and outdoorsman. He recently finished The Leadville 100 Ultramarathon this past August. He is also a four-time Ironman triathlete, Molokai to Oahu Paddleboard finisher, former USA Triathlon/Cycling coach, and personal trainer. He attained a Bachelor of Science in Physical Education with a focus on sports medicine and kinesiology from Radford University in Virginia. As a life-long athlete, Jason is extremely passionate about optimizing all aspects of human performance, fitness, and wellness. His breadth and depth of experiences in the military, endurance racing, and event management make him an asset to the O2X team.

Ray Norton

Ray Norton
Ray Norton is an O2X Instructor. He began his fire service career in 1987 as a volunteer firefighter at Tarpon Springs Fire Rescue in Florida and was hired on full-time a year later; became a paramedic in 1989; and in 1994, he began working for the Pinellas Suncoast Fire and Rescue District. He is currently a District Chief in charge of command of control of incident operations and management. During his career he held positions as Driver Engineer, Lieutenant, Training Chief, EMS Chief and assisted with the Operations Chief position.In 1990, Ray began working as a medic in a Level 2 adult and pediatric trauma center (Bayfront Medical Center), and soon joined the crew of Bayflite, the hospital’s aeromedical program specializing in trauma. It was the busiest trauma response helicopter in the nation with 97% of calls being scene responses. The program provided services for All Children’s Hospital for pediatric and neonatal transports. He also became one of the primary preceptors for the emergency room and Bayflite.Ray also worked at the Pinellas Fire academy teaching mostly live fire exercises to new recruits and coordinated with other training chiefs in the county to provide inter-agency training drills.During his off hours, Ray joined his wife to start up a nonprofit she co-founded for combat veterans where he functioned as the fitness and event coordinator. This organization utilized alternative therapies to assist Veterans with PTS transition back to civilian life and help with stress management. He also taught martial arts (Kali-stick and knife fighting) as an alternative modality to help manage stress and be present in the here and now. Ray recognized the overlapping need for these modalities and helped guide the program to provide services to first responders with PTS.Ray is a lifelong practitioner of martial arts, owns a martial arts school and has a passion for fitness. He became a yoga instructor and co-owns and manages a yoga studio with his wife Janel where they also provide services for veterans and first responders.

Sara Davidson

Sara Davidson
Sara Davidson is an O2X Instructor. Before joining O2X, Sara had a distinguished career in the Air Force, where she served as an intelligence analyst and operational leader, overseeing teams both large and small. Her global deployments, including time with a Special Operations Team in the Middle East, have provided her with significant experience in remote operations and the tactical application of cutting-edge technology. Throughout her military career, she collaborated extensively with various Intelligence Agencies, honing her skills in strategic decision-making and team leadership. Sara holds a Bachelor of Science Degree in Leadership and a Master’s Degree in Strategic Intelligence. Her lifelong journey in fitness, health, and wellness is marked by voracious reading and data analysis, alongside firsthand experiences of holistic transformation through performance optimization. A certified Spin instructor, she currently competes in trail and road running, as well as CrossFit events. In her free time, Sara enjoys golfing, running, hiking, and reading in nature. Although Washington, D.C., is her home base, she embraces a minimalist lifestyle and travels frequently, often with just a backpack. Sara is passionate about empowering others to grow their holistic selves through physical, mental, and emotional strength, emphasizing the importance of health, wellness, and nutrition.

Steven Prescia

Steven Prescia
Steve Prescia is a former U.S. Navy SEAL who has been a part of the special operations community for over 25 years. He served at SEAL Team One as an active-duty operator and reservist from 1993-2004. While pursuing his higher education in San Diego and serving at SEAL Team One reserves, Steve was a sponsored adventure athlete competing with some of the best athletes in the world. He placed respectively in Eco- Challenge Borneo in 2000 and Eco-Challenge New Zealand in 2001. After 9/11 he was given an opportunity to serve his country again but as an independent security contractor. In 2003, he was part of a special operations team providing protection in Afghanistan for the President Hamid Karzai. Later in 2004, he served again but this time in Iraq as a team leader for a diplomatic protection detail during “Operation Iraqi Freedom.” On this deployment, Steve sustained a devastating injury that almost took his life. Steve and his team were ambushed from an opposing force and he was shot in the leg while driving in the protection convoy. After a long recovery Steve went back to work as an instructor preparing former spec-ops personnel for protection operations in a combat area. In 2007, Steve found a passion in coaching and mentoring others to pursue a career in special operations. He served as the Navy’s Special Warfare Mentor in NY and NJ for 10 years. He was recognized as one of the top mentors for preparing our next generation of warriors in such a challenging time for our country. Currently, Steve is working as an independent contractor helping civilian organizations build high performing teams using his past experiences in the special operations community. Today Steve resides in Coronado California with his beautiful wife and they are focused on starting a family together. He enjoys everything on the ocean humbly pursuing a waterman’s life of surfing, spearfishing, paddleboarding, ocean swimming and sharing their love for the ocean with others.

Ryan Reynolds

Ryan Reynolds
Ryan Reynolds, is a Firefighter Paramedic at Orange County Fire Authority. After over a decade as a professional rugby player, Ryan quickly transitioned to being a Firefighter in 2019. Ryan was one of 3 females to successfully complete a 20 week career academy and a year of probation with no prior experience or education in firefighting or EMS. Ryan's proven success stems from consistency, hard work, and a continual willingness to learn. While still on probation, Ryan interviewed for Paramedic School and despite the hesitation demonstrated by her superiors, she was approved and graduated at the top of her class earning an Associates in Emergency Medicine and was one of the first to promote to Firefighter Paramedic from her class. Prior to firefighting, Ryan’s has a remarkable athletic background, having been an Olympian and professional rugby player for the U.S. National and Olympic Teams. Achievements include a 5th place finish at the 2016 Olympic Games, being named 7s Player of the Year by The Rugby Breakdown in January 2017, being recognized as one of Team USA’s most highly educated Olympians in 2016 and winning a Bronze Medal at the 2013 World Cup in Moscow, Russia. Ryan holds a B.S. in Sport & Entertainment Management from the University of South Carolina (2011), and earned her M.B.A. in International Affairs from DeVry's Keller Graduate School (2014) while training for the Rugby World Cup and 2016 Olympic Games. Ryan has helped several small businesses and CrossFit affiliates with their strategic marketing solutions, sales and membership retention. Most notably, Ryan assisted to rebrand an affiliate to have a 100% online presence crafted to build a female-empowered CrossFit community. Ryan's contributions included designing a new logo, redefining the mission of the brand, and rewriting the business plan. When she’s not helping on the backend of gyms, Ryan is also a CrossFit Coach, a nutrition coach, a weightlifting Coach, and a pregnancy and postpartum Athleticism Coach. Ryan is a peer fitness trainer for her fire department sharing her wealth of knowledge and and experiences in health and wellness with her brothers and sisters on the job as well as helping recruits prepare for interviews and the demands of the fire academy. Ryan currently lives in San Diego, CA. In her free time, she enjoys traveling, hiking, supporting her wife’s professional racing career and hanging out with their goldendoodle, Winston.

Lee Throckmorton

Lee Throckmorton
Carl “Lee” Throckmorton: In 2023, Lee retired from a 30-year career in public safety. He started his professional career with an Ocean Rescue Service in Southeast Virginia where he supervised up to 250 lifeguards per season. In 1997, Lee joined the fire department in Norfolk, Virginia. His fire service career spanned 26 years and included duties as a Paramedic, HazMat technician, and a founding member of the NFR Fitness Committee. He also spent 3 years as an arson investigator which allowed Lee to attend a Police Academy and participate in 6 months of Field Training with the Norfolk Police Department. His last assignment was as a Lieutenant on a busy ladder company in Midtown. In concert with his professional duties, Lee built a robust resume in strength and conditioning to include CSCS, TSAC-F, and CFFT alongside many other specialty courses. He also holds a Bachelors of Science from Old Dominion University. While working for both agencies, Lee had many opportunities to speak to members and recruits about the fitness/wellness needs of the tactical athlete. He continues to leverage his professional, educational, and practical experience to help tactical athletes exceed the physical and mental demands of public safety.
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Michelle Sharp
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Michelle Sharp
Michelle Sharp is an O2X Lead Instructor. After graduating from both undergraduate and law school at Gonzaga University in Spokane, WA, Michelle Sharp joined the U.S. Army Judge Advocate General’s Corps. She served in this role for 16 years, representing Soldiers and advising Commanders at multiple installations throughout the US and during her two deployments to Iraq and Afghanistan. Michelle is now retired and lives in Leesburg, VA, with her husband, who is still serving on active duty in the Army, and her son. She is a certified yoga instructor, teaching in the D.C. Metro area. When she isn't teaching or driving her son to various activities, you can find her walking her dog, cooking for her family, or reading.

Andrew Jenkins

Andrew Jenkins
Andrew Jenkins is an O2X Instructor from Virginia and has been a career firefighter/paramedic with Loudoun County Fire and Rescue for the last seven years. Drew is fortunate to be able to find a career that combines his passion for fitness and wellness along with having an impact on his community. When Drew isn’t on shift or assisting at the department’s health and wellness facility you can catch him outdoors or on the mats training Brazilian jiu-jitsu.

Mike Fitzpatrick

Mike Fitzpatrick
Mike Fitzpatrick is an O2X Instructor and proud United States Army Veteran, grateful for the opportunity to serve the last two decades. He completed combat deployments to Iraq and Afghanistan. His most recent role, before completion of service, was as Platoon Sergeant within a light infantry company of the Rhode Island Army National Guard. He currently serves as a Firefighter/EMT-B for a major city fire department in the Northeast, working on an Engine company and serving as an adjunct Fire Academy instructor. Mike holds a B.A from the University of Massachusetts, Boston and considers himself a lifelong learner. He is always eager to engage in discussion and the learning process. He is also a lifelong resident of the City of Boston, where he currently resides with his wife, their four children, and beloved German Shepherd.

Dave Carter

Dave Carter
Dave Carter is an O2X Assistant Instructor. Dave is going into his 21st year as a Firefighter/Paramedic with the Portland Fire Department (ME). In addition to his regular duties he is an active member of the department’s Health and Wellness Division and is continually seeking new ways to improve the health and well-being of the department. Prior to joining the fire service, Dave was a Division 1 collegiate runner at the College of Charleston in Charleston, S.C.. It was during that time he was exposed to the importance of having structured training programs and the value of taking proper care of oneself. He developed a strong interest and appreciation for all aspects of improving performance for which he continues to learn and build upon. After graduating he received his level 1 USA Track and Field certification and went on to become a volunteer assistant coach with the Bowdoin College Cross Country and Track teams. Similarly, he became an assistant coach for a local high school track team. Having completed a handful of marathons, a dozen triathlons and a number of trail races, he continues to implement the training principles he has learned over the years.

Kevin Dautel

Kevin Dautel
Kevin Dautel is an Instructor with O2X Human Performance. Kevin has been with O2X for the past 2.5 years, working closely with tactical athletes in fire, law enforcement, government / federal agencies, and the military. Kevin is a passionate, high-energy coach with nearly a decade of experience working across all aspects of strength, conditioning, and human performance. Since 2012 he has been involved in multiple CrossFit gyms, coaching classes, conducting new membership introductions, movement assessments and screenings, and programming. Kevin has had the opportunity to coach and program elite gymnasts, hockey players, Olympic lifters, and many novice lifters.Kevin is a Castleton University graduate with a Bachelor’s Degree in Exercise Science. Throughout his coaching career he has attended many workshops, such as Powermonkey Fitness Camp under David Durante and Chad Vaughn, both who are Olympians in their sports. Powermonkey features top level coaches in weightlifting, gymnastics, programming, pre and post workout mobility, and a Business of Excellence Seminar.Kevin has also worked with ActiveLifeRx, an organization of Chiropractors and Physical Therapists to help better assess and create programs for athletes that have struggled with shoulder, hip, knee, and lower back injuries. Workshops include hands-on training to help athletes make better decisions and form a more accurate understanding of flexibility and mobility, as well as how movement impacts injury and performance. His passion is helping people get better every day and pushing them towards their goals.

Christina Morris

Christina Morris
Christina Morris is an O2X Instructor. Christina is also a wellness entrepreneur and the creator of Gypsy Fit- an online wellness platform. Her Bachelors in Education has empowered her to coach thousands of athletes and clients over the course of the past 10 years.Her coaching journey began in 2011 at a Crossfit gym in Boston and has evolved into the creation of her own brand which promotes a more holistic approach to health. She equips clients with a roadmap towards sustainable wellness for their life’s journey through a variety of her nutrition and training programs.Christina is passionate about learning and evolving her coaching style as she continues to grow. Her certifications and continuing education include: Box Fit Certified, Crossfit Level 1 & 2, Crossfit Strongman, Juggernaut Powerlifting Seminar, Crossfit Mobility, Certified Physical Preparation Specialist, Precision Nutrition and currently working on becoming a Certified Transformational Nutrition Coach.As a competitive athlete, Christina has competed in the Reebok Crossfit Regional Individual and Team competitions for 4 consecutive years (2013-2016) in addition to competing in an amateur boxing match for charity hosted by Haymakers for Hope at the House of Blues in Boston in 2016.Christina wears many hats as student, trainer, coach and athlete but has also had the opportunity to work as a fitness model for some major brands like Reebok, UnderArmor and Nike to name a few.Her passion is using movement and nutrition as the catalyst for change empowering individuals to step into the best version of themselves. She is most proud about her volunteer work with The Phoenix-a nationwide nonprofit sober active community. She helped in the beginning phases of the Boston Chapter and continues to support their organization.

Mark Lane

Mark Lane
Mark Lane is an O2X Instructor. Mark brings a wealth of enthusiasm and knowledge to any team, but above all he brings an air of positivity. He uses his talents for good, and never evil, for the benefit of those around him. He has a passion for working with others to help them realize their full potential. Mark is an USAF veteran and former Firefighter. After an active childhood of team sports, he has spent over 20 years playing competitive rugby and almost 15 years as a CrossFit member and CrossFit Level2 Trainer(CF-L2). In 2005, Mark was diagnosed with Type 1 Diabetes which has given him a unique perspective on health regarding the tactical athlete with special considerations. Mark recently returned to school to complete a bachelor’s degree in Strength & Conditioning at The Citadel – The Military College of South Carolina. In his spare time, Mark coaches at a Charleston area gym and enjoys life with his family, traveling, playing/watching rugby, and just about any outdoor activity.

CJ Gibbs

CJ Gibbs
CJ Gibbs is an O2X Assistant Instructor. CJ first entered the fire service in 2014, when she joined her high school’s Fire Explorer program. After graduating, she continued to volunteer as she went through EMT, Paramedic School, and Fire Academy. CJ was hired by her first career department in 2009, then began working for her dream department, Denton FD, in 2012. Currently, CJ works at Denton’s rescue station and serves as an instructor for the department’s training program. CJ has a B.A.A.S with concentrations in Health Promotion, Public Administration, and Emergency Management from the University of North Texas. She has been a Crossfit Level 1 Trainer since 2016 and has used that training to help men and women prepare for careers in the fire service. CJ also serves as the Grant Coordinator for 555 Fitness, a non-profit whose goal is to help first responders create a resiliency to illness, injury, and disease. In her spare time, CJ works as an Adjunct Instructor for Tarrant County College’s Fire Program and travels the world.CJ’s passion to help others with their fitness journey stems from her past. Though always active, CJ struggled with being overweight until the age of 20, when she adopted a life of healthy eating and fitness. The accumulation of small changes over time allowed her to have a career she is passionate about, adventures she will never forget, and experiences she will forever cherish. It is her goal to help others reach their health and fitness potential, so they too, can enjoy all that life has to offer.

Scott Ziegler

Scott Ziegler
Scott Ziegler is an O2X Assistant Instructor. Scott has been a Firefighter – EMTB for over 15 years. Before becoming a firefighter he was a volunteer FF, worked on an ambulance, and in an emergency room as a tech. After this experience, he was hired into the City of Highland Park’s Fire Department in 2009. Highland Park, geographically, is a small city completely surrounded by Detroit and has an extremely high operational tempo. Scott worked there until he was hired by the City of Detroit in 2014, and is currently stationed on the west-side of the city on Truck 25, which resides with Engine 53. Scott is a certified Crossfit coach and has coached at a local gym for 6 years as well. He spends much of his free time hunting, fishing, and camping in northern Michigan, and also works for the fire-fighter non-profit, 555 Fitness, as one of their social media managers.

Samantha Hamilton

Samantha Hamilton
Samantha Hamilton is an O2X Instructor, Firefighter/EMT, and Certified Strength and Conditioning Coach dedicated to providing top-tier injury prevention, strength, and conditioning for tactical, college, high school, and youth athletes. As the founder and owner of a fitness studio specializing in tactical and elite athletes, Samantha’s impact goes beyond individual training. She has worked to transform her department in Concord, Massachusetts, fostering a healthier workplace by introducing pre and post-shift workouts, monthly challenges, and health facts posted to a whiteboard. While also being married to a firefighter, Samantha can understand the challenges of a work/life balance within the tactical population.Her commitment extends globally, having trained athletes and first responders in various countries, stemming from her study abroad experience in Ireland. With a Bachelor’s degree in Exercise Science, a Master’s degree in Rehabilitation Science, and currently pursuing a Doctorate in Trauma Informed Care, Samantha exemplifies a passion for continuous learning.Beyond her professional achievements, she actively supports organizations like Military Friends Foundation, Tough Ruck, and 22Mohawks, raising over $100,000 for veterans and first responders. Samantha’s relentless pursuit of self-improvement is evident in her participation in 12 marathons and annual competitions such as the Arnold’s in Strongman. O2X is not just a job for her; it’s her happy place, and her dedication to personal and collective well-being is unwavering. Outside of work, you’ll find Samantha at the gym, exploring the world, playing with her dog, or discovering new ice cream places.

Jessica Silva

Jessica Silva
Jessica Silva is an O2X Assistant Instructor. Jessica has been in the first responder world for most of her career. She started out as an EMT in San Jose and San Diego. After a military relocation to Virginia, she moved to the other side of the radio as a 911 dispatcher for the City of Virginia Beach. After receiving her BS in Criminal Justice, she participated in an internship with Virginia State Probation and Parole, and subsequently worked for the City as a Community Corrections Officer for domestic violence offenders. In 2011, she started volunteering with a Wilderness Search and Rescue team and shortly thereafter started training as a K9 handler. She and Nash, the dog, worked numerous searches for missing persons, downed aircraft, and cold case human remains searches throughout the state under the Virginia Department of Emergency Management, in conjunction with both state and local police, fire departments, and rescue personnel. In addition to raising two children and riding out 14 post 9/11 deployments, she served as Ombudsman for a SEAL command for several years, was part of the shaping of resiliency programs for special forces spouses and families, and is the author of a children’s book about deployment. She currently lives in Colorado, with her husband, who has recently retired after 27 years in the SEAL teams, enjoying the empty nest life.

Zach O Neil

Zach O Neil
Zach O’Neil is an O2X Instructor who has been involved in the fire service since 2019. He started his career as a call firefighter and was later hired as a full time firefighter/EMT in 2020 for a town in the metro Boston area. Prior to going full time in the fire service, Zach worked for the City of Worcester’s Division of Emergency Management. Most recently, he assisted in the City’s response to the COVID-19 Pandemic. Zach has a B.S. in Emergency Management and is a graduate of the Massachusetts Maritime Academy. He played soccer while at the academy and served as team captain his senior year. It was during his time at Mass Maritime when he found his passion for human performance. Zach also trained for and ran the 2018 Boston Marathon which further motivated his interest in fitness and wellness. Zach hopes to share his passion and motivate others within the tactical athlete community. Zach currently lives in the Boston area where he enjoys grilling, hiking and snowboarding in his free time.

Brooke Rich

Brooke Rich
Brooke DeForte Rich is an O2X Instructor. Brooke completed her undergraduate degree in Psychology and a Masters of Education in Counseling degree at the University of Maine. While at college, Brooke competed as a Division 1 runner for the track and field team. She served as a captain for the women’s indoor and outdoor NCAA collegiate track teams. Early on Brooke developed a passion for the connection of mental and physical health and how they both contribute to overall performance. After several years working in the mental health field, Brooke went on to earn a Bachelor of Science degree in Nursing. Post graduation, she worked at The Barbara Bush Children’s Hospital caring for children and their families. Currently, Brooke is a National Board Certified Counselor, a trained health coach and works as a Registered Nurse in a school setting. She is a lifelong athlete and has competed in many adventure races, triathlons, and endurance events. Brooke lives in Southern Maine with her family and enjoys lifting weights, hiking, being on the water, running, and traveling.

Matt Stoneback

Matt Stoneback
Matt Stoneback is an O2X Instructor. Born and raised in Quakertown, PA, Matt attended East Stroudsburg University of Pennsylvania. There he obtained a bachelor’s and master’s degree in Athletic Training. While obtaining his master’s degree, he became a volunteer Firefighter. After graduating he practiced as an athletic trainer and later was hired as a professional firefighter in Frederick County Maryland where he currently works.Matt truly loves his job as a career firefighter. Having an educational background in injury prevention and rehabilitation has given him the opportunity to train with and educate others in his department on how every aspect of health and human performance impacts career longevity. After discovering O2X and their focus on tactical athletes, Matt felt he could offer a unique perspective being a firefighter with a master’s degree in athletic training. Matt emphasizes proper technique and training with a purpose, all the while pushing yourself to be the best you can be. He wants to use his background and skills to educate others on how to develop healthy habits for long and fulfilling careers. Matt believes the history of the fire department is strong but there is a need for positive change in the health and wellness part of this profession and he wants to be a part of that change.Matt enjoys fishing, hunting, traveling and taking new classes both in fire and rescue as well as health and safety. He hopes he can bring a positive impact to O2X and bring change to the fire service all across the country.
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