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 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.
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.
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.
Brice Long is the Executive Vice President & Chief Operating Officer at O2X, bringing a deep company familiarity, cultural competence, and a passion for human performance to his role. Leveraging a foundational understanding of the O2X mission, Brice’s insight and creative vision guide the company to operational excellence and regularly surpassing ambitious goals.Since joining O2X, Brice has held multiple leadership roles through tremendous growth. Brice led the development of the on-site specialist program, O2X mobile application, key strategic partnerships, and has worked with O2X’s biggest clients to design and implement complex HP programs at locations nationwide. He has previously served as Business Manager; Director of Human Performance Experience; and most recently as Director of Client Services. As a Certified Strength and Conditioning Specialist, he has also presented the O2X curriculum at workshops and national conferences; as well as led dozens of Human Performance training events. Previously, Brice worked as a senior aide to former Defense Secretary Donald Rumsfeld, managing his DC office, communications, and the campaign for the release of the New York Times Bestseller Known and Unknown. Brice has also served as a Senior Advisor at a non-profit, Concordia, working with the CEO to optimize company operations and lead teams through the execution of multi-day events in Bogota, Colombia, and New York City, responsible for high-profile speakers including President Joe Biden, General David Petraeus, Colombian President Juan Manuel Santos, Colombian President Ivan Duque, and others. Brice was also a career firefighter with experience leading recruit academies, officer development, and field training, as well as department fitness programs. His work there has been recognized by national fire service organizations and published in the NSCA’s peer-reviewed Tactical Strength and Conditioning Journal.Brice is a graduate of Roanoke College and lives in Duxbury with his wife, son, and their English Bulldog, George Washington.
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.
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.
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.
Zack McAdams is the Vice President of Training Operations 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.
Meaghan Grimes 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.
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.
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.
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.
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 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.
Nick Westendorf is an Assistant Vice President of Municipal Sales at O2X, where he focuses on expanding the company’s work with state and local government clients. In this role, Nick leverages his tactical experience, leadership skills, and subject matter expertise to implement comprehensive performance programs tailored to the needs of his clients. His daily responsibilities include building new relationships, managing client retention, and ensuring that each O2X program delivers maximum impact in support of its mission.Before transitioning into sales, Nick served as a Combat Engineer Officer in the U.S. Army, achieving the rank of Captain during his five-year active duty service. He deployed to Afghanistan as a Sapper Patrol Leader, conducting counter-IED operations in Regional Command East. Upon returning stateside, he served as a Company Executive Officer and Operations Officer for the 36th Engineer Brigade at Fort Hood, Texas. After leaving the military, Nick launched his sales career as a Territory Manager with Thermo Fisher Scientific, where his success led him to a role with Stryker Medical in New York City. Over the years, he has held various sales positions, excelling in regional strategy development and revenue generation.Nick earned a Bachelor’s Degree in Exercise Science from the University of Scranton, where he was a member of the Army ROTC Program and the Men’s Soccer Team. He is currently pursuing a Master of Business for Veterans from the University of Southern California, with an expected graduation in May 2024. Nick and his wife, Divneet, relocated from New York to California in 2022 and have made it their permanent home. Passionate about giving back to the Veteran community, Nick enjoys playing soccer and golf in his free time and is excited to rekindle his commitment to supporting First Responders through his work at O2X Human Performance.
Stephen Scrobe is an Assistant Vice President of Municipal Sales at O2X, where he applies his tactical experience, leadership skills, and subject matter expertise to deliver impactful programs for local government organizations. His daily responsibilities include executing the business development strategy, managing the municipal sales team, and cultivating partnerships that drive success for O2X’s municipal clients.Stephen brings over 15 years of law enforcement experience to his role. He has served as a K-9 Officer, SWAT Team Leader, and Training Detective, where he honed his leadership and training expertise. Stephen initially joined O2X as a Lead Instructor and is also the co-founder of Heart and Sol, LLC, a company focused on coaching families in health and fitness through online and in-person training, classes, and workshops. Additionally, he is a Certified Strength and Conditioning Specialist (CSCS) and a Tactical Strength and Conditioning Facilitator (TSAC-F) through the NSCA. His passion for fitness and training stems from his background as a collegiate wrestler and rugby player, and he continues to channel that passion as a HYROX Pro competitor and Ironman Triathlete. Stephen graduated from Missouri State University with a Bachelor’s in Psychology. He is a devoted husband to his wife, Rachel, and a proud father of two boys. Outside of his professional work, Stephen continues to pursue his love of training dogs and still competes in K-9 competitions with his retired K-9, “Carbon.” With a deep belief in a holistic approach to health and wellness, Stephen strives to empower the tactical community through education and training, enhancing both physical and mental performance.
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.
Conner Freeland is an Assistant Vice President of Municipal Sales at O2X Human Performance, where he utilizes his coaching experience, leadership background, and expertise in both tactical and collegiate settings to deliver high-impact programs to municipal organizations. Conner’s focus is on building new relationships, client retention, and ensuring each O2X client receives tailored programs that enhance their performance and support their unique mission. Conner began his career with O2X as an On-Site Specialist and Program Manager, where he pioneered the Integrated Specialist Program at Washington D.C. Fire & EMS. He led a team of multidisciplinary specialists who supported over 2,200 members in the D.C. Fire Department, driving cultural transformation by enhancing physical training for recruits and operational firefighters. His work included developing a comprehensive return-to-work rehabilitation program, strategic facility designs, and fitness assessment tools. Before joining O2X, Conner spent five years as the Head Strength & Conditioning Coach and Assistant Football Coach at the University of Charleston. There, he designed training programs, coached defensive backs and linebackers, recruited student-athletes, and developed new health and wellness procedures for the institution.Conner holds a Master’s in Strategic Leadership from the University of Charleston and a Bachelor’s in Exercise Science from Longwood University. He has also completed internships in both the collegiate and private sectors and holds certifications from NSCA-CSCS and ACSM-EP. Conner lives in Charlotte, NC with his wife, Abby, and enjoys staying active through sports and outdoor activities.
Sara Davidson is an Assistant Vice President of Federal Sales at O2X Human Performance, specializing in client support within the DoD sector. With 20 years of military service, Sara draws on her extensive experience to assist clients in identifying opportunities and developing innovative solutions that enhance engagement and mission accomplishment. Her commitment to continuous learning, willingness to challenge the status quo, and passion for investing in people ensure that her clients’ goals are not only met but exceeded. Before joining O2X, Sara had a distinguished career in the Air Force, where she served as an intelligence analyst and operational leader, overseeing teams both large and small. Her global deployments, including time with a Special Operations Team in the Middle East, have provided her with significant experience in remote operations and the tactical application of cutting-edge technology. Throughout her military career, she collaborated extensively with various Intelligence Agencies, honing her skills in strategic decision-making and team leadership. Sara holds a Bachelor of Science Degree in Leadership and a Master’s Degree in Strategic Intelligence. Her lifelong journey in fitness, health, and wellness is marked by voracious reading and data analysis, alongside firsthand experiences of holistic transformation through performance optimization. A certified Spin instructor, she currently competes in trail and road running, as well as CrossFit events. In her free time, Sara enjoys golfing, running, hiking, and reading in nature. Although Washington, D.C., is her home base, she embraces a minimalist lifestyle and travels frequently, often with just a backpack. Sara is passionate about empowering others to grow their holistic selves through physical, mental, and emotional strength, emphasizing the importance of health, wellness, and nutrition.
Cameron Baird is an Assistant Vice President of Federal Sales at O2X Human Performance, where he focuses on delivering customized human performance solutions to federal law enforcement and other federal agencies. Drawing on his military expertise and passion for fitness, Cameron ensures that tactical professionals are equipped with top-tier resources and training to enhance operational readiness and resilience in critical situations. Before joining O2X, Cameron served as an Infantry Officer in the United States Marine Corps, leading diverse teams in challenging environments. His roles included Platoon Commander and Company Executive Officer with the 3rd Battalion, 1st Marines in Camp Pendleton, CA, where he deployed on the 13th Marine Expeditionary Unit in support of Operation Enduring Freedom. Cameron later commanded the Special Training Company at the Marine Corps Recruit Depot in San Diego, where he mentored and trained thousands of recruits. He concluded his active-duty career at Officer Candidates School in Quantico, VA, serving in roles such as Tactics Officer in Charge. Originally from Michigan, Cameron earned the rank of Eagle Scout in high school, reflecting his early dedication to leadership and service. A lifelong athlete, he competed in football, wrestling, and rugby, winning a state championship in rugby and playing collegiately at the U.S. Naval Academy. He went on to earn a Master in Business for Veterans (MBV) from Emory University’s Goizueta Business School. An avid reader and fitness enthusiast, Cameron enjoys tackling fitness challenges, martial arts, and ultramarathons. He resides with his wife, two young children, and German Shepherd, balancing family life with a relentless drive to push boundaries and support those who serve.
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.
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.
Rachel Miller is the Manager of Events at O2X, where she plays a vital role in the Operations Team. 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.
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.
Dr. Katy Tran Turner is the Manager of Curriculum and Learning Design at O2X, where she is responsible for compiling content, researching relevant background information, and helping create world-class training materials for a variety of clients and events. Additionally, Katy serves as an O2X Mental Performance Specialist, specializing in developing mental skills that optimize performance in high-pressure, fast-paced, and dynamic environments. Her expertise focuses on enhancing decision-making, confidence, self-regulation, and present-moment focus during high-stress performance moments. Dr. Turner has a rich history of working with high-performance teams in various settings. She served as the mental performance coach for the Buffalo Sabres for five seasons and spent two seasons with the Buffalo Bills, where she contributed to multidisciplinary teams providing holistic support. Before her time with professional athletes in Western New York, Katy worked with soldiers at Fort Bragg, NC, providing mental performance training for tactical athletes. Her experience also includes working in NCAA Division I athletics departments in student-athlete services and supporting a wide range of sports. Dr. Turner holds a Ph.D. in Educational Psychology with a specialization in Sport and Performance Psychology from Florida State University. She also earned a master’s degree in Exercise Physiology from Kent State University and undergraduate degrees in Biology and Exercise & Sport Science from UNC-Chapel Hill. While at UNC, Katy was the starting goaltender for the field hockey team, earning All-America honors. She is a Certified Mental Performance Consultant through the Association for Applied Sport Psychology and a member of the American Psychological Association Division 47. In addition to her role at O2X, Dr. Turner serves as an adjunct professor. Her research has focused on team dynamics and coordination. Katy currently resides in Michigan with her husband, two children, and two dogs, where she enjoys teaching and learning about high-performance strategies and performing under pressure.
Trevor Sheasley is the Manager of Digital Products, where he leads product innovation and ensures the excellence of O2X’s digital offerings. Trevor is responsible for overseeing project management, ensuring deadlines are met, and incorporating user feedback for continuous product improvement. He serves as a liaison between clients and the technical team, ensuring exceptional customer service and prompt resolution of technical issues. Trevor’s expertise in human performance also ensures that the quality of the content remains top-tier. Additionally, he works closely with On-site Human Performance Specialists and plays a key role in onboarding new clients and employees, contributing significantly to O2X’s success. Before his current role, Trevor served as an O2X On-Site Human Performance Specialist at the Arlington County Fire Department, where he specialized in Strength and Conditioning. With over 7 years of experience in the human performance field, Trevor’s career began as an Army Reservist, where he was responsible for overseeing his platoon’s physical readiness program while earning his Bachelor’s in Exercise Science. His career has since expanded to include roles with all branches of the military through The Naval Postgraduate School in Monterey, CA, and Division 1 athletes at Georgetown University. Most recently, Trevor worked with the officers of the United States Capitol Police, further deepening his expertise in supporting tactical populations.Trevor holds a Bachelor’s in Exercise Science and is currently pursuing a master’s program with a dual concentration in Tactical Strength and Conditioning and Rehabilitation Sciences. His passion for human performance and supporting those he serves continues to drive his career. Trevor’s dedication to improving the health and performance of tactical athletes and first responders is evident in his career and education. Outside of his professional life, Trevor enjoys staying active and continues to deepen his knowledge of human performance in both tactical and rehabilitation settings.
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.
Alyssa Cafarelli is the Content 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 is the Travel Coordinator at O2X, where she plays a crucial role in supporting O2X’s Human Performance training events. In this position, Brooke assists with all aspects of travel booking and event coordination, ensuring that O2X’s training programs run smoothly across the country. Her work involves coordinating logistics for staff and trainers, helping to facilitate successful events and enhance the experience for both participants and staff members. 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.
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 is an Education 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.
Ashley Roberts is the Talent Acquisition Coordinator 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.
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.
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.
Devon Smith is the Manager of Integrated Programs for the East Coast at O2X. As a Registered Strength and Conditioning Coach, he brings over a decade of human performance experience to the O2X team. In this role, Devon applies his expertise to support tactical athletes and organizations, driving optimal performance through personalized programs. His experience in working with diverse populations allows him to design holistic and impactful programs that enhance both mental and physical fortitude. Prior to joining O2X, Devon was a strength and conditioning coach at the United States Military Academy at West Point, where he helped Cadets develop their athletic performance and transition to the Army Combat Fitness Test. Before his time at West Point, Devon coached at several privately owned gyms and academies across New York and New England, working with athletes ranging from youth to professional levels, as well as general and tactical populations. His diverse experience in human performance has shaped his holistic approach to training, focusing on physical conditioning, sports psychology, and nutrition. Devon holds an undergraduate degree in Health and Human Performance, a Master’s in Sports Psychology, and has pursued extensive education in sports nutrition. His background also includes years of experience as an orthopedic trauma consultant, where he gained expertise in musculoskeletal injury from both a surgical and rehabilitative perspective. Devon’s athletic background includes competing internationally for a USA Select lacrosse team and, more recently, in a variety of strength sports, including Strongman competitions. Raised in a military family, Devon is passionate about serving those who serve, and he currently resides in New Hampshire with his wife, daughter, and their four-legged “fuzzy” kids.
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.
Martin Guidie is an Assistant Vice President of Federal Sales at O2X, specializing in client support within the DoD sector. Martin’s professional career was built during his 13-year career in Naval Special Warfare as a Navy SEAL. Completing 4 successful deployments spanning 25 countries at SEAL Team 4, Martin served in key leadership positions such as Leading Petty Officer, Assault Team Leader, and Leader Breacher, and even fulfilling positions above his pay grade at the time such as Leading Chief Petty Officer.
Following his time at SEAL Team 4 Martin became the lead instructor for Land Warfare during candidates’ SEAL Qualification Training. Leading, training, and mentoring over 500 candidates through operational and professional training, Martin was able to give back to the community he appreciates so much as well as shape the future generation of warfighters.
Martin has a degree in Organizational Leadership and spent 5 years as a personal trainer before his time in the military. Martin has a deep love for sports and competition, as well as Skiing, snowboarding, wakeboarding, and weightlifting, enjoying the opportunity to do any of them. Residing in San Diego, CA with his wife and 2 kids, they enjoy the opportunities that Southern California offers to maintain an active healthy lifestyle.
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.
Specialists
John Sim is an O2X Strength & Conditioning Specialist. He is also currently a Physical Skills Instructor for the U.S. Secret Service and previously served as the Program Manager for Physical Performance at the Office of the Surgeon General (OTSG). Prior to working at OTSG, John served as the Human Performance Advisor for a US Army Special Operations unit based in the National Capital Region. Throughout his career John has worked with a diverse array of clientele that includes tactical, collegiate, and professional populations. John’s strength & conditioning coaching experience includes stops at Georgetown University, Fordham University, Binghamton University, EXOS Headquarters, and Grand Canyon University – where he was hired as the school’s first Graduate Assistant Strength & Conditioning Coach. Upon completing his commitment at GCU, John was hired by the Army to help develop the first Strength & Conditioning program at US Army Garrison – Yongsan in Seoul, Korea. For the next several years, John continued to make a positive impact in the peninsula by leading various health and fitness programs for both the Army and the Air Force. He was eventually hired to stand up the first Army Wellness Center (AWC) in the country and finished his overseas tenure by serving as the inaugural AWC Director at Camp Humphreys. John is certified through the NSCA as a Certified Strength & Conditioning Specialist (CSCS), Tactical Strength & Conditioning Facilitator (TSAC-F), and Certified Personal Trainer (NSCA-CPT). He is an ACSM Certified Exercise Physiologist (ACSM-EP), and is also certified through NASM as a Performance Enhancement Specialist (PES) and Corrective Exercise Specialist (CES). John’s education includes a BA in Psychology, an MBA, and MS in Health & Human Performance. During his spare time, John enjoys training in Brazilian Jiujitsu along with his wife and two children.
Results
Tiffany Sheffield is an O2X injury prevention specialist. Tiffany graduated from Bellarmine University in Louisville, KY., with her Doctor of Physical Therapy degree in 2019. She holds a Masters in Healthcare Administration and a Bachelor’s in Exercise Sports Science. She has worked with various populations to include but not limited to veterans, active duty, firefighters, horse trainers, equestrians, paramedics and pro-athletes. Her primary focus has been in the outpatient setting where she has effectively treated conditions including orthopedic injuries, neurological disorders, vestibular dysfunction, post-concussion syndrome, post/pre-operative, and pelvic floor dysfunction. Tiffany provides a holistic and comprehensive approach to achieve maximum recovery and performance to minimize long term pain and impairments. She believes in treating the patient as a whole and is passionate about providing an individualized plan of care. The military is near and dear to her heart. Her father served in the United States Army, her brother served in the United States Marine Corps, and her husband served in the United States Navy.
Dr. Brandon Paulus is an O2X Injury Prevention Specialist. He earned his Doctor of Physical Therapy degree from Radford University. He is board certified in orthopaedics, a Fellow of the American Academy of Orthopaedic Manual Physical Therapists, and a Certified Strength and Conditioning Specialist. He holds certifications in dry needling, spinal manipulation technique, and blood flow restriction training. He is currently pursuing a Doctor of Science degree in Physical Therapy through Andrews University. Dr. Paulus is an Adjunct Professor in the Department of Physical Therapy at Virginia Commonwealth University in Richmond, Va. He enjoys treating individuals with a holistic approach, focusing on aspects of injury prevention and reduction, pain management, athletic performance. He has spent the last 7 years working with college and professional athletes, special operations forces, law enforcement/first responders, and CrossFit athletes.
Alexa Bannerman is an injury prevention specialist with O2X with 14 years of progressive sports medicine experience as a Certified Athletic Trainer (ATC). She received her Bachelor’s of Science in Athletic Training from the University of Central Florida, and a Master’s in Science in Sport Fitness Management from Troy University. Alexa is currently working as a contracted ATC with Naval Special Warfare in Virginia Beach, Virginia. Prior to transitioning to the tactical athlete, Alexa spent most her career in Division I athletics. Alexa possesses a strong clinical skills, with specialty in myofascial therapies, Functional Dry Needling, post-operative rehab, and innovative return to duty rehabilitation. Born and raised in Michigan, Alexa is a Midwest girl at heart. She is an intrinsically motivated lifelong learner who loves working with like-minded individuals. In her free time, Alexa enjoys weight lifting, eating, outdoor activities, and spending time with her husband and their three crazy kids!
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.
Dr. Conroy is an O2X Sleep Specialist. Dr. Conroy is a Clinical Professor at Michigan Medicine’s Department of Psychiatry. She attended college at Simmons College in Boston, MA where she majored in Biopsychology. After college, she completed a Kleitman Fellowship in Human Circadian Biology at Brigham and Women’s Hospital in Boston. She went on to study psychology and sleep disorders medicine while getting her PhD at The City University of New York. After graduating with her doctorate, she left the east coast for Ann Arbor, Michigan to obtain post-doctoral training at the University of Michigan department of psychiatry. There, she studied the relationship between insomnia and alcohol dependence. She transitioned to the clinical faculty at Michigan in 2007 where she has been working with patients, educating medical residents and fellows, and directing the Behavioral Sleep Medicine Program. Dr. Conroy is a diplomate of the American Board of Sleep Medicine, a diplomate of the Board of Behavioral Sleep Medicine, and is board certified in cognitive behavioral therapy by the American Board of Professional Psychology. In addition to her passion for improving sleep, Dr. Conroy has a long standing interest in health and wellness. In 2015, she received certification in health coaching by the Institute for Integrative Nutrition and established a health coaching business, Happy, Healthy, Rested, PLLC. In her free time, you can find her engaging in outdoor activities and traveling.
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.
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.
Martin Guidie is an Assistant Vice President of Federal Sales at O2X, specializing in client support within the DoD sector. Martin’s professional career was built during his 13-year career in Naval Special Warfare as a Navy SEAL. Completing 4 successful deployments spanning 25 countries at SEAL Team 4, Martin served in key leadership positions such as Leading Petty Officer, Assault Team Leader, and Leader Breacher, and even fulfilling positions above his pay grade at the time such as Leading Chief Petty Officer.
Following his time at SEAL Team 4 Martin became the lead instructor for Land Warfare during candidates’ SEAL Qualification Training. Leading, training, and mentoring over 500 candidates through operational and professional training, Martin was able to give back to the community he appreciates so much as well as shape the future generation of warfighters.
Martin has a degree in Organizational Leadership and spent 5 years as a personal trainer before his time in the military. Martin has a deep love for sports and competition, as well as Skiing, snowboarding, wakeboarding, and weightlifting, enjoying the opportunity to do any of them. Residing in San Diego, CA with his wife and 2 kids, they enjoy the opportunities that Southern California offers to maintain an active healthy lifestyle.
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.
Fernando Llamoca is an O2X On-Site Human Performance Specialist who works with the Palm Beach Sheriff’s Office. Fernando applies his expertise in sport psychology, positive psychology, and industrial-organizational psychology to assist individuals in developing and cultivating mental skills that enable them to perform at their best consistently and deliberately. Through his work, he equips his clients with tools and strategies to enhance readiness and resilience in their work environment to achieve their goals.
For the past decade, Fernando has worked with athletes from high school to collegiate levels and soldiers from the United States Army. In this journey, he has been fortunate to partner with others to help them excel and thrive in the aspects of life that matter most to them. This work is not only exciting but also profoundly gratifying. Having been involved in sports from a young age and working as a mental performance coach, Fernando understands that a key ingredient for helping individuals improve their performance is their mindset. To reach the goals we set for ourselves, whether professional or personal, we must create a narrative that aligns with those objectives. By providing coaching, support, and opportunities for self-discovery to help clients navigate their experiences together, he establishes a strong foundation for growth and change.
Fernando holds a Bachelor’s degree in Psychology with a minor in Philosophy, a Master’s in Business Administration, a Master’s in Sport Psychology, and a Ph.D. in Industrial-Organizational Psychology. This diverse educational background allows him to educate others on mental performance that can aid or sustain growth in various domains, including leadership, professional, or personal pursuits. Outside of work, Fernando enjoys running, traveling across the U.S. and the world, and staying current on research and information related to human performance.
Dr. Tina M. Burke is an 02X 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.
Evan S. Bernhardy is an On-Site Human Performance Specialist with O2X Human Performance, specializing in Injury Prevention as a Certified Athletic Trainer embedded with the Pueblo, CO Police Department. With both a Master of Science and Bachelor of Science in Athletic Training from East Stroudsburg University, Evan takes a holistic, evidence-based approach to optimizing performance and recovery in tactical populations. He also holds professional certifications in dry needling and cupping, further enhancing his skill set in preventative care and rehabilitation.
Evan brings a wide breadth of experience from high-performance sports environments, including roles across professional, collegiate, and elite youth athletics. Most recently, he served as a Seasonal Athletic Trainer for the Washington Commanders. His past roles include Head Athletic Trainer for the Bay Area Panthers indoor football team, football athletic trainer at IMG Academy supporting the NFL’s International Player Pathway Program, Head Athletic Trainer at Penn State Schuylkill, and athletic trainer at Orthopedic Associates of Lancaster. Throughout his career, he has been known for his ability to implement innovative systems, foster collaborative environments, and deliver exceptional care that prioritizes long-term health and performance.
Outside of his professional work, Evan lives an active lifestyle as an amateur CrossFit athlete, drawing firsthand insight into the physical and mental demands faced by those he trains. He enjoys exploring the outdoors through hiking and camping with his girlfriend, Kayla, and their two dogs, Bailey and Lily. Evan’s passion for performance, recovery, and community drives both his personal and professional life, making him a dynamic contributor to the O2X team.
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.
Dave Bauman is an On-Site Human Performance Specialist with Tarrant County, where he specializes in strength and conditioning for tactical professionals. Leveraging a unique blend of corporate, military, and federal experience, Dave designs and implements comprehensive performance programs that enhance readiness, resilience, and long-term health for law enforcement and first responder teams.
Dave began his career as a Certified Public Accountant in Southern California but soon discovered his true passion in human performance. He earned his CSCS credential in 2017 and added the TSAC-F in 2018, building expertise through roles with EXOS at Google, tactical strength and conditioning assignments at Marine Corps Base Quantico and Fort Bliss, and an internship with the Army’s strength program at West Point. His service as a Federal Officer with Customs & Border Protection deepened his understanding of the physical and mental demands placed on tactical operators, informing his holistic approach to training.
Academically grounded with a bachelor’s degree in Accounting, Dave is currently pursuing a master’s in Marriage & Family Therapy—reflecting his belief that peak performance begins from the inside out. Away from the field, you’ll find him exploring the outdoors on hikes, diving into the latest performance psychology podcasts, traveling to new places, or rocking out at metal shows. Through every endeavor, Dave brings disciplined focus and genuine passion to support those who serve.
Dr. Samantha Riedy is an O2X Sleep Specialist with expertise on the effects of sleep loss, shift work, and circadian misalignment on performance in operational settings. Over the past eight years, she has conducted operational research with police officers, cargo pilots, nurses, ultramarathoners, and workers in other operations, as well as in-laboratory research with shift work and sleep deprivation protocols.Samantha earned her master’s degree and PhD in Experimental Psychology with an emphasis in Statistics from Washington State University in Spokane, Washington. Samantha completed an internship during her master’s studies in the 711th Human Performance Wing, the Wright Patterson Air Force Base in Dayton, Ohio. During her doctoral research, Samantha examined and modeled how sleep loss, shift work, and fatigue impact police performance and police-community relationships.Samantha is also a Registered Polysomnographic Technician, with experience running clinical diagnostic and titration sleep studies and scoring polysomnographic records for research laboratories. Samantha is a member of the Sleep Research Society, Australasian Sleep Association, Working Time Society, and European Sleep Research Society. She has published her research in top journals, presented her research at government institutes, universities, and companies around-the-world, and her research has been picked up by a number of policing magazines.
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.
Dr. Karrie Fitzpatrick is an O2X Sleep Performance Specialist. Dr. Fitzpatrick earned her Ph.D. in neuroscience from Northwestern University and her B.S. in psychology from The University of Illinois Urbana-Champaign. She is currently a staff scientist and government contractor in the Biological Technologies Office at the Defense Advanced Research Projects Agency (DARPA), where she supports programs aimed at developing breakthrough technologies and capabilities for national security, incorporating the unique features of biology. Her research has spanned a wide range of topics that affect brain functions including sleep, circadian rhythms, mental health, resilience, genetics, hormones, and gut microbiota.Dr. Fitzpatrick is passionate about community outreach and mentorship, and has long been an advocate for presenting Science, Technology, Engineering, and Math (STEM) topics in more engaging and relevant ways to better foster interest among kids and adults alike. She has given several interactive demonstrations and presentations at public schools and community colleges across Chicagoland, and has mentored several students at various stages throughout her career. Dr. Fitzpatrick firmly believes that getting good quality sleep is essential to maximizing performance, because sleep affects everything and everything affects sleep!
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, 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, 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.
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.
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.
Neva Barno, CMPC (Certified Mental Performance Consultant), is an O2X Mental Performance Specialist whose expertise is in providing mental skills training for optimal performance in various environments and situations. She was a two-sport athlete who first pursued her education in injury rehabilitation after having her own sport injury. She received her B.S. in Exercise and Sport Science from Oregon State University. At the end of her program, she decided to take the jump from the physical side to the mental side after taking her first sport psychology class and realizing it was her own mindset that prevented her from fully recovering in her sport. As she pursued her M.S. in Sport and Performance Psychology at the University of Western States, she met her now husband who was active-duty military and training for a special operations pipeline. She was instantly inspired by the dedication, athleticism, and heroism that she saw within the community, and dedicated the rest of her studies to the military. She graduated with a second M.S. and a Doctoral degree in Clinical Mental Health Counseling, emphasizing Sport and Performance Psychology in 2021. Neva admits that her own personal experience with trauma has motivated her even more to help the military, first responders, and all individuals who might experience trauma. “I know these techniques work because I had to personally put them to the test. My education saved my well-being.”Neva’s professional experiences include working with collegiate sports, high school athletics, recreational sport, executives, military and first responders, and individuals in clinical settings. She hopes to provide her clients with tools to aid in self-regulation, goal attainment, overcoming setbacks, managing stressful events, and helping them reach a new level of performance. Neva’s motto is, “Performance in life is never finished. We should never give up on ourselves. We should never be done. Let us not be finished. Let us Be Unfinished.”
Ashely Ripke is an O2X Mental Performance Specialist. Ashley has a passion for helping others. She primarily applies her knowledge and expertise in Sport and Performance Psychology to the military. The past 7 years she has trained and supported thousands of soldiers (Big Army and Special Forces) on psychological skills that enhance resilience and performance in garrison and theatre. Her career began with the Ready and Resilient (R2) Program and is currently the Cognitive Performance Specialist with 3rd Special Forces Group. The role psychological and physiological factors play in high risk occupations, generates a need for quality Mental Performance Training. Recognized for her excellent service and support to various Army units, Ashley mentors others who will support in a similar capacity. After receiving a Bachelor of Science in Psychology from Indiana Tech, Ashley pursued her Master’s in Sport and Performance Psychology from the University of Denver. Outside of working with the military, Ashley coaches young athletes in the Southern Pines area on mental skills and techniques to achieve higher levels of performance more consistently.
Stephanie Zavilla is an O2X Mental Performance Specialist. She has served as the Director of Sports Performance at the Winter Park Competition Center for 7 years, supervising Strength and Conditioning, Sport Psychology, Injury Management, Sports Nutrition, and Return-to-Sport Programming. After earning a double major in Psychology and History with a minor in Coaching from the University of South Dakota, while playing four years with the school’s NCAA Division I Women’s Golf Team, she went on to receive her Masters in Sport and Performance Psychology from the University of Denver’s Graduate School of Professional Psychology in 2013. Currently, she is an adjunct faculty at her alma mater.Stephanie has worked as a consultant for a myriad of sports and organizations on both a group and individual basis. She has experience in football, baseball, basketball, soccer, hockey, exercise endurance, lacrosse, figure skating, tennis, skiing, snowboarding, Paralympic skiing, and gymnastics, working with athletes ranging from those who are just beginning their recreational sport careers to those who are competing at the international, professional, or Olympic level. She has served as the sport psychology consultant for an NFL Combine Preparation Camp for several years. A certified consultant for the Association for Applied Sport Psychology, Stephanie has spoken at several regional and national conferences on her work in heart rate variability biofeedback, and has authored several peer reviewed articles, featuring her research in the parent-athlete relationship. Most recently she has co-authored a graduate-level textbook chapter on the psychophysiology of self-regulation.Stephanie’s philosophy revolves around the idea that simply by being aware, being present, and being in love with what you do, freedom will follow; freedom from judgmental thoughts, freedom from the constraints of internal and external pressures, resulting in freedom of movement, and the opportunity to step beyond perceived limits.Outside of working with parents, athletes, and coaches, Stephanie finds happiness in hiking, camping, white water kayaking, Paul Simon, and skiing as many months in a row as possible (80 and counting!).
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