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

Gregory Amorelli

Gregory Amorelli
Greg Amorelli is a dedicated Strength and Conditioning Specialist and Tactical Performance Coach with over 18 years of experience in exercise science, human performance, and coaching. A Master’s graduate in Exercise Science and Health Promotions, with an emphasis on Tactical Strength and Conditioning, Coach Greg has a unique blend of academic expertise and practical experience, having worked with athletes, first responders, and tactical professionals. His coaching career spans diverse roles, from coaching youth sports teams to preparing individuals for the rigorous demands of military Special Operations selection. With 15 years of military service, including 6 years in Naval Special Operations and 9 years in the Army infantry, Coach Greg has firsthand experience in the physical and mental challenges faced by tactical athletes. Currently serving as a Civil Affairs Officer in the Army Reserves, he continues to apply his tactical knowledge as a Tactical Specialist for the NSCA Oregon Board of Advisors and an Teaching Assistant for PennWest University’s Tactical Strength and Conditioning Program. Passionate about optimizing human performance, Coach Greg has led initiatives such as developing the Health and Wellness Program for the Lane County Sheriff’s Office, supporting over 320 deputies and staff. His mission is to help individuals achieve their highest potential through evidence-based training, education, and holistic wellness strategies.

Rachel Snyder

Rachel Snyder
Rachel Snyder is an O2X On-Site Human Performance Specialist, specializing in Strength and Conditioning. She focuses on optimizing physical performance, injury prevention, and recovery for tactical professionals. Leveraging her extensive expertise, Rachel designs and delivers comprehensive training programs tailored to meet the unique demands of her clients. Before joining O2X, Rachel served as the Head Strength and Conditioning Coach at D1 Training. She also contributed to the Holistic Health and Fitness (H2F) Program at Fort Jackson, where she developed and implemented physical training programs for the 193rd Infantry Brigade. Additionally, Rachel worked as an assistant strength and conditioning coach at the University of South Carolina, focusing on Women’s Tennis and Pole Vaulting.Rachel holds a Bachelor’s degree in Exercise Science from UNC-Charlotte and a Master’s degree in Exercise Science from the University of South Carolina. A former Division I women’s soccer player at UNC-Asheville and a 4A All-State athlete from Raleigh, NC, her athletic background fuels her passion for health, fitness, and sports. Rachel is certified as a CSCS and USAW coach and enjoys adventuring with her dog, Moose, and cheering on the South Carolina Gamecocks in her free time

Alyssa Olsen

Alyssa Olsen
Alyssa Olsen is an O2X Yoga Specialist who teaches Vinyasa and Restorative based yoga classes. Alyssa completed her 200 RYT training in 2020 and began actively teaching her patients adaptive yoga as a part of the Adaptive Sports Program at Walter Reed National Military Medical Center (WRNMMC), with the intention of helping these individuals find connection and ease with moving, breathing, and down regulating their bodies. Alyssa brings a comprehensive background in exercise physiology and movement modification to her yoga practice. Alyssa worked as a PTA from 2013-2021 at Walter Reed’s Military Advanced Training Center (MATC); one of three outpatient trauma arcs in the country providing physical therapy to combat injured service members. She presently lives in San Diego where she actively teaches yoga in both the San Diego (in person) & Washington DC (virtual) communities. It is Alyssa’s passion to help any individual connect deeper with their bodies.

Susann Dreiling

Susann Dreiling
Susann “Susie” Dreiling is an O2X Yoga and iRest Specialist. She is a 23 year federal law enforcement veteran, having retired as a Special Agent of the Federal Bureau of Investigation in 2020. While working as a Special Agent, Susie investigated high profile violent crime and white collar criminal cases. Susie achieved the designation as an Advanced Instructor early in her career. Subsequently she taught the Instructional Systems Design process and certified countless personnel from state/local/international law enforcement entities, frequently serving as the Lead Instructor. Susie held designations as an FBI General Police Instructor, Advanced Instructor, Defensive Tactics Instructor, Physical Fitness Advisor, and Active Shooter for Civilians Instructor. In addition, Susie served as both a Supervisory Special Agent and GS-15 Unit Chief, overseeing the FBI’s Physical Training Unit (PTU) at the FBI Academy for 6 years. PTU held enterprise-wide responsibility for the FBI’s physical fitness, defensive tactics and less lethal programs where she first began her yoga instructor journey. While managing PTU, Susie completed a 200-hour yoga teacher training program to further enhance the training she provided to students and employees of the FBI given the nature of chronic fatigue and repetitive injuries that were sustained. Following her return to investigative duties in Clearwater, FL Susie earned her 500-hour yoga teacher designation. She has certifications as a Relax and Renew Level 1 Instructor by Judith Hanson Lasater, iRest Level 1, is a Certified Warriors at Ease Teacher (L2) and is currently working towards completing her 1000-hour yoga instructor certification. Holding the designation of E-RYT 500 and as a Yoga Alliance Continuing Education Provider (YACEP), Susie continues to provide instruction through both studio classes and during yoga teacher training courses. During 2022, she co-founded Comprehensive Defensive Systems LLC, a Florida-based business specializing in providing firearms training & expertise, personal safety & self defense, threat assessments, and active shooter training for civilians. As part of those efforts, she expanded her certifications to include USCCA Firearms Instructor and NRA Range Safety Officer.

Brittany Petty

Brittany Petty
Brittany Petty is an O2X Yoga & Resilience Specialist who teaches yoga, mindfulness, and yoga nidra (E-500HR RYT, YACEP) to her students and as a lead instructor in Yoga Teacher Trainings. She has been teaching yoga since 2012 and has been a Yoga Alliance Certified Education Provider since 2015 (E-500HR RYT, YACEP). She attended the Institute for Integrative Nutrition in New York City to complete her Health Coaching Certification (IINHC). Brit went on to receive her Masters of Clinical Social Work (MSW) from Boston University in order to continue to tie her life’s work together; body, mind, and breath. She has teaching and clinical work experience with a range of ages and life experiences, from working as a counselor in the public school systems, to teaching yoga to professionals in the tech space. As she earned her license as an Independent Clinical Worker (LICSW), Brit worked in outpatient therapy and milieu settings with peer support. In June 2023, Brit opened her own Private therapy practice located in Central, MA but serving all of Massachusetts. Brit builds relationships with children, adolescents, and adults coping with anxiety, depressions, mood lability, life transitions, grief, trauma, and other forms of emotional pain. She utilizes many techniques including, but not limited to insight oriented therapy, cognitive behavioral treatment, dialectical behavioral, and yoga therapeutics. Brit’s husband is a Marine OIF Veteran and a Lieutenant in the Worcester Fire Department; they love spending their free time with their two kids. She and her family enjoy being involved in their community; she is a founding board member of the 365Z Commitment to Kindness Foundation. The mission of the foundation is to perpetuate the spread of kindness within Central Massachusetts by its member’s commitment to conscious acts of kindness, providing guidance and services to local schools, infants and children, elderly, and veterans.

Annie Okerlin

Annie Okerlin
Annie Okerlin is an O2X Yoga Specialist who presents yoga, sleep, resiliency & iRest Yoga Nidra (C-iRest, C-IAYT) to tactical athletes & first responders nationwide.Annie has been a yoga teacher since 1999. The daughter of two World War II and Korean War veterans, Annie has a deep appreciation for the veterans of our country. Her passion for helping the wounded warriors of today’s wars led her to Walter Reed National Military Medical Center in Washington, DC in 2006 where she has worked with the traumatically injured, including amputees, burn victims, those with orthopedic poly-trauma, traumatic brain injuries, spinal-cord injuries, as well as unseen injuries such as PTSD and moral injury. Annie founded Yogani in Tampa and was the owner of this successful yoga studio for over 18 years. She continues to share yoga and meditation with the military community of Tampa by teaching classes at the VA hospital, local studios and in retreat settings.As one of the nation’s leading experts on Adaptive Yoga, Annie teaches nationally and internationally with The Exalted Warrior Foundation, a non-profit organization she founded in 2010 to support wounded warriors with the seen & unseen issues of traumatic injury.In addition to her extensive yoga training and experience, Annie is a Certified iRest® teacher & has also co-authored the book Best Practices for Yoga for Veterans.

Janel Norton

Janel Norton
Janel Norton is an O2X Yoga Instructor, U.S. Air Force Veteran, and passionate advocate for yoga and wellness in tactical and veteran communities. Having served as a combat photojournalist in the Air Force, she later worked as a press information officer and photojournalist for the United Nations, covering crises in Panama, Bosnia, and Liberia. After 20 years in the photography industry, Janel transitioned into wellness, earning her master’s degree from the University of South Florida and discovering yoga as a powerful tool for maintaining balance in her life.Janel’s passion for yoga quickly evolved into a career shift. After completing her 500-hour yoga teacher training, she took ownership of Trinity Yoga Studio in the Tampa Bay area. Her desire to give back to the veteran community led her to co-found the Warrior Wellness Program, a 501(c)(3) dedicated to offering alternative therapies to military veterans navigating the transition to civilian life.As a certified iRest Yoga Nidra instructor and a specialist in trauma-informed yoga, Janel now travels nationwide, offering adaptive yoga and iRest to first responders and veterans through partnerships with organizations like O2X Human Performance, the VA Summer Sports Clinics, the Wounded Warrior Foundation, and more.When not on the road, Janel enjoys hiking with her husband Ray and their yellow lab, Bhrodi, while they build their retirement home in Eastern Tennessee’s mountains

Lauren D Angelo

Lauren D Angelo
Lauren D’Angelo is an O2X Yoga Specialist. Lauren found her way into her first yoga class after years of playing sports, participating in triathlons, and running marathons. From the first class, she was hooked and knew instantly that she wanted to be a yoga instructor. Lauren’s classes are an active, powerful, movement-based vinyasa, and they are crafted and created to be accessible for all. She has crafted her own unique style that incorporates strength and stretch, but also mindfulness that allows the student to feel and move in a safe way. In her 11 years teaching, she has taught in settings such as the UnderArmour world headquarters, Oakley world headquarters, the Boston Common, Yoga Reaches Out, and as an E-RYT 500, has participated as a Lead Trainer in 4 different teacher trainings. Lauren is the founder of Lola Yoga, “whereimat” podcast, and is an avid blogger. She is dedicated to continuing to learn and grow and bring her knowledge to her students.

Claudia Cavazza

Claudia Cavazza
Claudia Cavazza is an O2X Yoga Specialist. Claudia is an E-RYT 200 and RYT 500 yoga teacher and graduate from VETOGA, a national non-profit organization with the mission to bring yoga and meditation to veterans, first-responders and their families. In addition, Claudia has completed a trauma-informed yoga training program through Prison Yoga Project specifically designed to teach yoga to trauma affected populations, a trauma-sensitive yoga training with the Trauma Sensitive Yoga Trauma Center, has completed the Professional & Advanced Yoga Nidra certification with the Integrative Amrit Yoga Nidra Method and the iRest Level 1 Yoga Nidra training. Claudia is also a Certified Trauma Professional and a Certified Compassion Fatigue Professional.While Claudia considers herself a life-long student of yoga, her main goal is to share an accessible, inclusive and culturally relevant yoga practice with corporate clients, firefighters, veterans and active duty military and their families. Claudia has produced several yoga focused events in collaboration with VETOGA, Wounded Warrior Project, Mindful Warrior Retreats, the US Special Forces Duskin & Stephens Foundation, the Georgetown Men’s Basketball Team and the Washington Wizards NBA Team.During her 7 year tenure at lululemon, Claudia spearheaded the lululemon regional CSR initiative, Here to Be, leading the Yoga Garden experience at the White House Easter Egg Roll during the last 4 years of the Obama administration, while also developing a powerful partnership with VETOGA aimed to serve veterans, active duty military and first responders through yoga, meditation and Yoga Nidra. Claudia has recently founded the corporate wellness company WRKwell, to deliver VOI (Value on Investment) focused stress management, personal development, and employee engagement programs to corporate clients. WRKwell combines the power of yoga and meditation with leadership and corporate responsibility training to provide tools for both organizations and corporate employees to thrive in their work environment. Claudia’s clients include veterans, first responders and public safety officers from the DC metro area, the incarcerated, college students and student athletes, at risk youth, and corporate employees.Claudia is also continuing her volunteer contribution to the Vetoga organization developing topic specific trainings and practices and community initiatives.

Kendall Wood

Kendall Wood
Kendall Wood is an O2X Yoga Specialist. Kendall obtained her 500 Hour Experience Registered Yoga Teacher certification and is a Yoga Therapist with over 2000 teaching hours under her belt. Since 2019 she has specialized in working with firefighters and other first responders and tactical athletes. She is also a Level 1 iRest Teacher. Kendall hopes to show others how beneficial yoga can be as a mental health and resiliency tool. Her approach is calm and grounded, and it prioritizes empowering each practitioner to see how they can learn to self-regulate and balance their nervous system with tools rooted in yoga! She is open minded, approachable and will help you feel secure, even if you’ve never tried yoga before.
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Lisa Jakub
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Lisa Jakub
Lisa Jakub is a 500-hour therapeutically focused yoga teacher who trained at the Kripalu Center for Yoga and Health. She is also an author, speaker, and retired actor who spent eighteen years working in the film industry. She is the founder and director of Mission Flexible, a nonprofit offering mindfulness retreats to military Veterans living with post-traumatic stress. Lisa has led over 1,000 hours of classes focused on resilience, nervous system regulation, and mind-body strength. She has completed Mindful Resilience Training and the Mindful Resilience for Compassion Fatigue program through Veterans Yoga Project, Military Cultural Competency Training via Virginia Veteran and Family Support, Yoga Nidra training with Mona Anand, and Mindfulness-Based Stress Reduction (MBSR) training at the University of Virginia. She is a corporate mental wellness trainer for companies like Google and Ketchum, and she loves demystifying mindfulness practices to make them accessible and beneficial to all. Lisa lives in Virginia with her husband and their anxious rescue dog.

Melanie Helmer

Melanie Helmer
Melanie Helmer brings her previous experience as an officer in the Marines and combines it with her holistic approach to health to tailor yoga classes that meet everyone's unique needs. While dealing with her own physical and mental health challenges and still on Active Duty, she found that medication and traditional Western medicine were not doing enough to help her. Utilizing yoga and Pilates, Melanie noticed huge improvements in her pain, range of motion, and sleep. After leaving Active Duty in 2021, she continued to gain additional certifications for yoga and pranayama and has recently left the corporate world to focus on her own holistic health and healing, as well as gain new tools to help others. Outside of her work, Melanie enjoys gardening, painting, and visiting breweries with her boyfriend Charlie. She also loves taking her dog Lacey to the beach and playing with her two cats.
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Sarah Martin
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Sarah Martin
Sarah is an E-RYT 200, Level 1 IRest Yoga Nidra and Warriors at Ease Teacher. She has taught regularly since 2008. Her love for working with the military started in the studio setting but grew tremendously when she worked for Wounded Warrior Project on the Combat Stress Recovery Team. During her tenure with WWP, Sarah was able to work with small groups guiding an experiential outdoor education and 12-week coaching program. Seeing first hand the impact connection and activity had on the participants inspired Sarah to branch out on her own. She continued to contract with WWP specifically for yoga, IRest Yoga Nidra, and meditation. In 2020 Sarah became a Warriors at Ease Teacher and has since co-lead some of the WAE Trainings. Sarah's approach to yoga is lighthearted. While she takes it seriously, she also finds brevity as much as possible weaving in humor when possible.

Michael Hamrock

Michael Hamrock
Dr. Michael Hamrock is an O2X Medical Professional, former firefighter, and department physician for the Boston Fire Department. He now also provides primary care to many Massachusetts firefighters at Steward St. Elizabeth’s Medical Center in Boston, MA.Dr. Hamrock attended University of Massachusetts Medical School. He has over 23 years of experience and specializes in internal medicine.

Brent Levy

Brent Levy
Dr. Brent Levy is and O2X Medical Advisor serving as the Physician Medical Director for CAPCE Programming. He currently serves as the Assistant Medical Director for Emergency Medicine and the Vice Chair of Emergency Medicine at Rose Medical Center. In this role, he is integrally involved in all practice management decisions as well as curating physician scheduling. Brent serves on the hospital’s Medical Executive Committee and was involved in disaster management planning surrounding the COVID-19 pandemic. Brent is also currently the Trauma Medical Director at Rose Medical Center, a Level IV Trauma Center. Brent is Board Certified in Emergency Medicine, Advanced Wilderness Life Support, and Advanced Trauma Life Support.Throughout his career, Brent has conducted research and developed tools to support rural trauma care, wilderness medicine courses, and curriculum design focused on injury prevention through helmet use in outdoor recreational activities. Prior to his medical career, Brent worked as a resort planner and Geographic Information Systems (GIS) technician contributing the design of renowned resorts around the world. He is an avid outdoorsman, accomplished endurance athlete, and spends his free time biking, running, paddling, and skiing in the mountains of Colorado with his wife, daughter, and black lab.
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Dave Sherman
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Dave Sherman
David Sherman is a data analyst at O2X. As a licensed physical therapist and certified athletic trainer, Dave offers experience with tactical and occupational athletes such as Fort Worth Police and Fire, as well as, professional and collegiate athletics. He received a Bachelor of Science in Athletic Training (2012) and Doctorate in Physical Therapy (2014) from Boston University. Dave is currently a PhD student at the University of Toledo where he studies applied neuroscience in sports and exercise. His research focuses on the maladaptive brain changes that occur after musculoskeletal injury and the development of rehabilitative treatments that can target those changes.
Dave has volunteered as a member of the Boston Marathon Medical Team since 2012. His passion for tactical athlete readiness was inspired by the 2013 Boston Marathon bombings, when the readiness and collaborative actions of Boston Police, Fire, and EMS members on Boylston Street meant the survival of 278 injured civilians. Dave believes wellness is unique to each individual athlete, with success rooted in balanced nutrition, sleep, mental health, and physical activity.
Results

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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Nick Biase
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Nick Biase
Nick Biase, RDN, CSSD obtained his bachelor’s degree in Foods and Nutrition from San Diego State University then completed his dietetic internship with the VA of Greater Los Angeles and Naval Special Warfare Group One. Nick has operated a sports nutrition practice for over 10 years and during that time has worked with a full spectrum of tactical athletes. He also managed a wellness program for the City of San Diego’s First Responders. Having served in both the US Marine Corps and Army he not only understands the science behind sports nutrition but also its practical application by utilizing it to personally achieve a higher level of human performance. Nick is dedicated to helping tactical athletes achieve their goals by simplifying the science and guiding them towards developing a realistic lifelong plan. During his free time, Nick enjoys surfing at home in Southern California and cooking large Italian meals for friends. In addition to being an avid weightlifter he’s also completed several long distance runs to include San Antonio TX - San Diego CA and the Grand Canyon Rim-Rim-Rim.
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Sarah Pflugradt
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Sarah Pflugradt
Sarah is an O2X Nutrition Specialist and registered dietitian who believes that everyone has the potential to perform at a higher level and channel their inner athlete. With a background in clinical dietetics, WIC, and private practice, she is currently an adjunct professor in the Department of Health Studies at American University, focusing on advancing health promotion through knowledge of nutrition, exercise, and lifestyle habits. As a sought-after expert in nutrition communication, Sarah is a nutrition content editor at EatingWell and is a published author of two books. She has a strong foundation in performance nutrition and provides education for high school athletes and parents. Sarah has a PhD in Health and Human Performance from Concordia University—Chicago, where her research focused on the home food environment of competitive swimmers. As an Air Force veteran and military spouse, Sarah’s commitment to veterans’ health is evident in her volunteer work as a nutrition contributor to Team RWB. In her free time, she enjoys running, writing, cooking, and watching her three high-energy teenagers compete in sports.

Tracy Daly

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

Amanda Sheaffer

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

Casey Carlgren

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

Jaime Tartar

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

Meagan Rizzo

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

Tina Burke

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

Kelly Bennion

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

Allison Brager

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

Ashlee McKeon

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

Ana Fins

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

Zlatan Krizan

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

Rebecca Acabchuk

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