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

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

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

Dr. Carlos Garcia is an O2X Resilience Specialist, Clinical Psychologist, and Executive Coach dedicated to optimizing human performance and well-being. With a unique background spanning mental health, leadership development, and high-stakes operational environments, Dr. Garcia helps individuals and organizations build resilience, enhance emotional intelligence, and perform at their highest level under pressure. His work integrates psychological science with real-world application, empowering clients to create sustainable, meaningful change.

Dr. Garcia is the Founder of The Mastery Group, where he provides leadership coaching and
performance consulting to executives, teams, and organizations. He earned his doctoral degree in Clinical Psychology from Nova Southeastern University and completed his residency at Rutgers University. Prior to his career in psychology, Dr. Garcia served as a United States Marine and worked as a firefighter and paramedic—experiences that continue to inform his approach to resilience, leadership, and performance in high-pressure environments.

Drawing from both clinical expertise and lived experience, Dr. Garcia equips individuals with the mindset, tools, and self-awareness necessary to lead effectively, navigate adversity, and unlock their full potential. His work is grounded in the belief that true performance is built from within—through clarity, discipline, and a deep understanding of the human experience.

Dr. Lindsay Braden is an O2X Resilience Specialist. She began her career in the MN Army National Guard as an enlisted member in 1998 and later transitioned to Active Duty in 2007 where she completed her internship/residency and became a licensed clinical psychologist. Early on, Lindsay served as an embedded psychologist in infantry units and became experienced in recognizing and addressing the outcomes of working in a high-risk environment providing clinical support. She completed a neuropsychology fellowship, board certification in clinical psychology, and oversaw multiple clinics prior to her retirement in 2020. Since the Army, Lindsay has transitioned her career focus to addressing insider threats within the DoW and intelligence community and is an Association of Threat Assessment Professionals (ATAP) Certified Threat Manager (CTM). Lindsay also has experience working in assessment and selection, which has helped in developing an understanding of the personalities and characteristics of those drawn to working in high-risk environments and necessary techniques for success and effectiveness.

Rob Owens is an O2X Leadership and Resilience Specialist. As a Leadership and Resilience Coach, Rob believes that optimal performance in work and life is contingent on the healthy communities we belong to (and the communities that we create for ourselves). Rob has held leadership roles in various sport psychology and wellness organizations and currently serves as the Division Head for Research and Practice for the Association for Applied Sport Psychology. Rob spent most of his professional career in academia designing and implementing professional development programs and teaching courses in leadership, organizational development, coaching, and sport psychology. He retired from academia in 2022 to pursue a career in executive, performance, and organizational development coaching. He is a board-certified leadership coach and a licensed therapist.

Dr. Shane Saenz is a Clinical and Sport Psychologist who has been providing mental health and sport psychology services since 2013.  Dr. Saenz has experience working with people from all backgrounds, including treating adults, adolescents, children, families, and athletes, having worked in various settings, such as correctional facilities, university counseling centers, and private practice. He also completed specialized training in Sport Psychology at UC Davis Student Health & Counseling Services (SHCS), where he provided comprehensive services in SHCS, as well as Inter-Collegiate Athletics (ICA).  ​  Dr. Saenz received his BA in Psychology from UC Santa Cruz; M.Ed. in Counseling (Sport Psychology emphasis) from Boston University; and his Psy.D. from the University of Denver Graduate School of Professional Psychology. During his internship and postdoctoral residency at UC Davis SHCS as a member of the Sport Psychology team, he specialized in the treatment of athletes through individual mental health services; individual performance consultations; group workshops and performance meetings; and consultations with coaches and various ICA staff.  He also co-led groups on Eating Disorders as well as mindful meditation. Dr. Saenz is a Certified Mental Performance Consultant (CMPC) through the Association for Applied Sport Psychology (AASP) and is listed as an approved provider for the US Olympic & Paralympic Committee (USOPC) Registry for both Mental Health and Sport Psychology. Currently, he is in private practice based in San Diego, CA, and works as the Coordinator of Sport Psychology and Mental Health for Scholar-Athletes at UC San Diego Counseling Services and Athletics.  ​  Dr. Saenz approaches treatment from an integrative theory, incorporating aspects of psychodynamic, contextual behaviorism, mindfulness and internal family systems (IFS) perspective. He additionally includes values and a multicultural lens and is seasoned in the treatment of a range of difficulties including, but not limited to depression, anxiety, PTSD, learning disabilities, and grief/loss in adolescents and adults. He is a lifelong learner and practitioner who is passionate about mental health, philosophy, psychology.

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

Dr. Jonathan Frank is an O2X Resilience Specialist. He earned his doctoral degree in psychology from Nova Southeastern University before joining the Air Force as an active duty psychologist where he has served for over 20 years. For the first half of his military career, he worked as a Clinical Psychologist providing counseling and outreach services to service members and their families. In the latter half of his career, he has transitioned to Operational Psychology where he has focused on leveraging his skillset to improve the performance of various high-impact military units. His areas of expertise include executive coaching, assessment and selection, leadership consultation, and performance enhancement.

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

Dr. Rosie Hunter is a clinical psychologist and a workshop specialist at O2X. In this role she focuses on resilience, operational stress, and optimizing performance under pressure to empower tactical athletes, leaders, and teams. Rosie has over 15 years specializing in anxiety and performance under pressure, including on active duty as an aeromedical psychologist in the United States Army. Rosie received a BA in psychology from Emory University and an MS and PhD in clinical psychology from Florida State University. She was awarded the Bronze Star for her service on deployment to Afghanistan with the 101st Airborne Division, Combat Aviation Brigade. Rosie is a former White House Intern and an alumnus of the Presidential Leadership Scholars, a program conceived by Presidents George W. Bush and Bill Clinton to bring together bold and principled leaders committed to facing critical challenges at home and around the world. Rosie is a member of the American Psychological Association, the Association for Behavioral and Cognitive Therapies, and the Society for Industrial Organizational Psychology. Rosie lives in McKinney, Texas.

Chris is an O2X Injury Prevention Specialist and board certified orthopedic clinical specialist with 9 total years of physical therapy experience. He spent four and a half of those years working with US Air Force Special Warfare. On a typical day with the Sandhogs Chris’ morning consists of performance-Based interventions in the form of blood flow restriction training and strength and conditioning programming for athletes in the rehab process.  Afternoons consist of providing hands on manual therapy in the form of dry needling and spinal/joint manipulation therapies.

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Originally from Kansas, Chris received his bachelor's degree at Louisiana Tech in 2010 while playing four years of collegiate baseball. After playing two years of professional baseball with the Cleveland Guardians, Chris followed his passion of human performance in the form of physical therapy, which he earned his doctorate from Southwest Baptist University in 2015.  During his spare time Chris enjoys spending time with his wife Hillary, his son Griffey, and his black lab Angus. Chris’ hobbies are lifting weights, playing golf, hunting, and fishing.

Joe grew up exploring the mountains of Northern Idaho before graduating from the University of Idaho in 2005 with degrees in Athletic Training and Physical Education. After becoming a Certified Athletic Trainer, he earned his Doctor of Physical Therapy from the University of Puget Sound in 2008 and served the university's athletic department, providing coverage for Logger football and baseball. He began his clinical career at 3 Dimensional Physical Therapy, specializing in sports outpatient orthopedics, foot and ankle rehabilitation, and running injuries, where his work with local fire, police, and sheriff’s departments first ignited his passion for working with tactical athletes. In 2019, he moved to Stuttgart, Germany, with his wife—an Active Duty Army Physician—to join the SOCOM Preservation of the Force and Family (POTFF) program, helping develop the Human Performance program at Special Operations Command Europe. Following his return to the U.S. in 2022, he worked with Marine Special Operations Command in North Carolina before relocating to Western New York in the fall of 2025 to serve as an in-season Physical Therapist for the Buffalo Bills and launch his private practice, Valley Ridge Performance Physical Therapy, in Ellicottville. A dual Board-Certified specialist in both Sports and Orthopedic Physical Therapy, Joe is also a Certified Strength and Conditioning Specialist with advanced certifications in Trigger Point Dry Needling and Spinal Manipulation. When he isn't in the clinic or on the sidelines, he enjoys training for endurance sports, hunting, and spending time with his wife and three young boys.

Dr. Ashley King is an O2X Injury Prevention Specialist. Ashley received both her M.S. in Athletic Training and her Doctorate of Physical Therapy from Shenandoah University. She has worked with athletes from all walks of life ranging from middle school athletes through D1 football and lacrosse players, to professional athletes in some of the major athletic programs throughout both the US and abroad. She has also had the chance to work with tactical athletes including firefighters, police officers, military personnel, and bomb squad members throughout her career, rehabbing from both surgical and overuse injuries. Ashley enjoys being able to help her patients through every stage of injury starting with prevention, immediate medical management, and finishing with return to sport or work rehabilitation.   Ashley lives in Maryland with her dog, Bosco, and she enjoys spending her free time hiking, reading, and dancing. She also regularly volunteers to provide emergency medical care at the Marine Corps Marathon and other on-site athletic events.

Austin K. Pack is an O2X Injury Prevention Specialist, Doctor of Physical Therapy graduate from PCOM-GA, Marine Infantry veteran, NSCA strength and conditioning coach, multi-state licensed PT and a family man. Dr. Austin is currently a full-time orthopedic physical therapist with ATI physical therapy and is also the founder of ALL PRIME PT & Human Performance. A hybrid physical therapy practice based in the Upstate, SC. His mission is to help ALL tactical athletes recover, sustain and perform at their PRIME potential through a blended approach of injury prevention education + rehab programming - with emphasis on rotational movement, LBP and post-op knee injuries. His ideal client/patient is anyone who wishes to live a healthier, sustainable life and extend performance during their career. His work is backed by evidence based practice, yet led by trust & connection. Dr. Austin is also a contracted Injury Prevention Specialist with O2X Human Performance.

In his free time, he enjoys spending time with family, cycling, swimming, weight training, shooting, playing music, hiking, traveling, eating good food and drinking good coffee!

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

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

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

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

Jess Best is a Physical Therapist and Injury Prevention Specialist with O2X, where she has been making an impact since 2020. A Board Certified Clinical Specialist in Neurologic Physical Therapy and Certified Clinical Vestibular Therapist, she brings over 15 years of specialized experience working with the military population. Her clinical focus spans concussion and brain injury rehabilitation, spinal cord injury, vestibular disorders, and a range of other neurologic conditions, with additional work in adaptive sports.

Jess is passionate about meeting patients where they are — crafting individualized, creative treatment plans that help each person reach their personal goals. She holds a B.S. in Exercise Science from the University of Montana and a Doctor of Physical Therapy from the Medical University of South Carolina.

Before entering physical therapy, Jess channeled her love of adventure as a whitewater rafting guide, leading multi-day trips along the stunning rivers of Montana and Idaho. That spirit carries into her everyday life — she can often be found hiking, running, or snowboarding, and she jumps at any opportunity to travel and immerse herself in new cultures. Outside of work, she is also a proud mama to one awesome little guy.

Lisa Prasso is an O2X Injury Prevention Specialist and a leading clinical expert in the rehabilitation of complex orthopedic trauma. A Doctor of Physical Therapy, Lisa graduated from The State University of New York at Buffalo and has dedicated over 15 years to advancing the field of human performance and recovery across both civilian and military sectors.

Currently, Lisa serves as a staff physical therapist at Walter Reed National Military Medical Center’s Military Advanced Training Center (MATC). In this elite environment, she specializes in treating active-duty service members within the amputee and polytrauma populations. Beyond clinical care, Lisa leads the Physical Fitness class for the Warrior Wellness Program, where she translates high-level rehabilitation principles into group fitness and long-term wellness strategies for recovering service members.

Her clinical expertise is supported by an extensive suite of specialized certifications, including Adaptive and Inclusive Trainer Certification (AIT), Functional Dry Needling (Levels 1 & 2), Battlefield Acupuncture and Personalized Blood Flow Restriction Rehabilitation

Lisa’s commitment to the tactical community is driven by a belief in comprehensive durability—ensuring that those who serve have the physical foundation to excel both during and after their careers. When she isn’t in the clinic or contributing to medical literature, Lisa stays active in recreational sports, traveling and volunteering.

Deb Sophier is an O2X Injury Prevention and Strength & Conditioning Specialist who received her Bachelor’s of Science in Exercise Science at Indiana University in 2006 and Doctorate of Physical Therapy at Midwestern University in 2014. She has been a Certified Strength and Conditioning Specialist since 2006. Deb is a Physical Therapist and works with a variety of conditions, including injuries to the shoulders, knees, feet, hips, and back. She has been performing foot and gait analyses and running evaluations, dry needling, and compression wrapping since becoming a Physical Therapist. She owns her own mobile physical therapy practice in the Chicagoland region, Sophier Physical Therapy and Performance.  In addition to being a physical therapist, she enjoys being a mom to her son and bonus daughter, cycling, triathlons, baking, and travel. She has a unique understanding of law enforcement as her husband is a Police Chief in the Chicagoland area.

Nick Schumacher, PT, DPT, OCS, SCS, FAAOMPT, CSCS, has been a specialist with O2X since 2020, facilitating human performance workshops for tactical athletes across the country. Nick brings a high level of clinical expertise to the O2X team; he is one of only a handful of physical therapists in the United States to be Dual Board Certified in Orthopedic (OCS) and Sports (SCS) Physical Therapy, while also being Fellowship Trained (FAAOMPT).

When not on the road with O2X, Nick serves as the Head Physical Therapist for the POTFF Sports Rehab Team at SOCCENT (US Special Operations Command — Central) in Tampa, FL. In this role, he works daily with special operators from all military branches, optimizing their physical readiness and recovery. He is also the co-owner of the Tampa Running and Performance Clinic, where he specializes in elite-level run coaching and rehabilitation.

As a former Division I athlete and current elite runner, Nick translates complex sports science into actionable results. He is dedicated to helping tactical athletes embrace an "athlete’s mindset," focusing on the consistency and peak fitness required for long-term mission success and overall wellness.

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

Antigone is an O2X Injury Prevention Specialist, Sports Certified Physical Therapy Specialist, Athletic Trainer, and the founder of ElAVate. She also is an adjunct faculty member at Northwestern University. She earned her Bachelor of Science in Athletic Training in 2012 and her Doctor of Physical Therapy in 2014 from Boston University’s College of Health and Rehabilitation Sciences: Sargent College. In 2017, she completed her Fellowship in Orthopaedic Manual Therapy at the University of Illinois at Chicago.

Antigone’s work focuses on teaching and mentoring clinicians in clinical reasoning and evidence-based practice. Clinically, she specializes in treating the aging athlete, as well as patients with acute or chronic spine pain. She also has a specializes in temporomandibular joint (TMJ) dysfunction, frequently treating and presenting to dentists and other specialists on interdisciplinary approaches to its management. Antigone lives in Glenview, IL with her husband and 2 children.

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

Becky McClelland is an O2X Injury Prevention Specialist who received her B.A. in Athletic Training from Messiah College in 2003, M.S. in Kinesiology from University of Kentucky in 2006, and her Master of Physician Assistant Studies from the MGH Institute of Health Professions in 2017. She has been a Certified Athletic Trainer and CSCS since 2003, and a Certified Physician Assistant since 2017.

Following her degree at the University of Kentucky and work at Monmouth University in NJ, Becky accepted a position at Boston University where she stayed for 6 years. While there, she worked as an athletic trainer with varsity and club sports teams as well as the on-campus ROTC, including all military branches. As a faculty member she taught in the undergraduate athletic training and doctorate of physical therapy programs.

Throughout her career she did multiple original research projects, becoming an expert in shoulder and scapular kinematics, kinetics, injury prevention and rehabilitation. Since becoming a PA, Becky has worked in Cardiac Surgery, Trauma & Acute Care Surgery, and currently works in Cardiac Transplant at Mass General Hospital. There, Becky is involved in surgery as well as coordinating the medical care of patients after surgery, ensuring they are prepared to live healthy lifestyles when they are discharged home. She also has a faculty appointment at the MGH Institute of Health Professions where she teaches in the PA program.

Becky is an avid runner and enjoys races of all sizes. She has volunteered at athletic events throughout the country, including the finish line of the Boston Marathon since 2003. In her free time, she enjoys being active with friends, cooking, and spending time with her multiple nieces and nephews.

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

Jay Sedory is an O2X Injury Prevention Specialist. Jay is a licensed athletic trainer for the United State Marine Corps, Tactical Medic, and Certified Strength and Conditioning Coach.  Jay oversees injury prevention for martial arts, water survival, and fitness programs. Jay has been an athletic trainer for over 18 years within the tactical athlete setting. Most notably, Jay is a deployable asset for U.S. Department of Health and Human Services, Office of Emergency Management Tactical Medical Branch. He is a graduate and instructor for tactical medics under the premier federally recognized program: Counter Narcotics and Terrorism Operational Medical Support (CONTOMS). As a part of this elite cadre of medical professionals, Jay is the lead instructor in sports medicine and human performance topics. Additionally, he has worked with several federal, state, and local agencies in tactical medicine operations. Jay holds a number of additional certifications in strength and conditioning: USA Weightlifting, Corrective Exercise Specialist, Tactical Strength and Conditioning, and Functional Movement Screening. While he excels within the Marine Corps, he is also an adjunct professor for several universities. Prior to his position with the Marine Corps, he served as the head athletic trainer at the Department of Justice. At this position he implemented a number of injury prevention programs related to heat illness, concussion, musculoskeletal injuries, and sports preparedness. He is also an accomplished professional within the profession of athletic training on national, district, and state levels. Jay is a former President of the Virginia Athletic Trainers’ Association where he oversaw state operations that included paid and volunteer staff, 16 committees, a budget exceeding 500k, and a membership of over 3,000 athletic trainers. He is the recipient of the Virginia Emerging Practice Setting Athletic Trainer of the Year Award in 2012.

Dr Kyle Feldman an O2X Injury Prevention Specialist and is the National Director of ReEnvision Physical Therapy which as a company focused on improving the access and quality of physical therapy care. As of 2026 they have 26 clinics in Virginia, Maryland, North Carolina, and Florida. He also owns an education and consulting company, WE ARE Physiotherapy.

He is adjunct faculty at his alma mater, Shenandoah University, faculty in the VOMPTI Orthopedic Residency program, and mentors physical therapy students, residents, and fellows. He enjoys treating challenging patients with a focus on chronic pain, athletes, headaches, and spine pain.

He has mentored and taught therapists all over the world including Kenya, Ghana, Nicaragua, Ecuador, and Haiti.  

He completed his orthopedic residency with UVA/Virginia Orthopedic Manual Therapy- VOMPTI (OCS) in 2015, Certified Strength and Conditioning Specialist (CSCS) in 2016, and completed his Fellowship in Orthopedic Manual Therapy (FAAOMPT) with UIC in 2017.

He lives in Winchester, VA with his wife and two daughters. His hobbies include playing sports, working out, golfing, cooking, brewing beer, and hiking.

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

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

Dr. Jessica Visintainer is an O2X Injury Prevention Specialist and Doctor of Physical Therapy specializing in injury prevention, human performance, and return-to-duty optimization for tactical and high-performing populations. She earned her Doctorate of Physical Therapy and Bachelor of Science in Kinesiology from Temple University, where she developed a strong foundation in biomechanics, sports science, and evidence-based rehabilitation.

With a background in orthopedic and sports physical therapy, Dr. Visintainer focuses on identifying movement inefficiencies, reducing injury risk, and building long-term durability. She holds advanced certifications in the Mulligan Concept, dry needling, vestibular rehabilitation, BFR training, and run gait analysis, and has been published for developing home-based vestibular rehabilitation programs to expand access to care.

Dr. Visintainer is the founder of V3 Physical Therapy, an elite sports performance practice working with high school, collegiate, and professional athletes. She specializes in working with field, court, endurance, and tactical athletes—individuals for whom performance is not optional. Her approach integrates advanced manual therapy, movement analysis, and sport-specific training to address not just where an athlete hurts, but why—and what it takes to return stronger, more resilient, and better prepared for the demands of their role.

Her current work includes the development and implementation of neurocognitive performance programming focused on improving dual-tasking capacity in both athletes and aging populations. This includes identifying subtle deficits that may not be captured in standard concussion screening, with the goal of optimizing return-to-play readiness, reducing residual cognitive deficits, and enhancing decision-making and performance under load.

In addition to her clinical work, Dr. Visintainer serves as a public speaker delivering education on injury prevention, resilience, and performance optimization. Her teaching emphasizes practical application, helping individuals and teams translate evidence-based principles into actionable strategies in the field.

When she is not supporting her athletes, Dr. Visintainer is an endurance multisport athlete with a background in Krav Maga and Brazilian Jiu Jitsu, providing firsthand insight into the physical and mental demands of high-performance environments.

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

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

Joe is Doctor of Physical Therapy who owns a private practice, Full Spectrum Physical Therapy & Performance, based in southern New Hampshire and currently provides guidance in injury prevention and management with the Health & Ladders program at the Boston Fire Department.

Prior to working with the Boston Fire Department Joe worked with O2X as an Integrated Human Performance Specialist with the Massachusetts National Guard. In this role he helped to coordinate injury prevention and management between individual Soldiers and leadership at multiple organizational levels to facilitate readiness, reduce risk in training and promote positive training opportunities for Soldiers managing new or chronic injuries.

He is a 2013 graduate of Northeastern University’s Doctor of Physical Therapy program, is a Certified Strength and Conditioning Specialist and USA Triathlon coach. Some of his experience include work with the Boston Celtics and Indiana Pacers, the Premier Lacrosse League and professional triathletes based out of New England. After his time with the NBA Joe moved to the private practice world where he continued to work with high school, collegiate and professional athletes and first responders developing multidisciplinary relationships across the medical and performance worlds to help athletes and first responders succeed with return to sport or duty.

Outside of the clinical world Joe is an adjunct faculty member at Merrimack College and Nashua Community College where he teaches courses in Anatomy and Physiology and Therapeutic Exercise to future health care leaders. Joe lives in Hollis, NH with his wife Katherine and their two boys. He is a triathlete and avid outdoor enthusiast, active in several running and triathlon clubs, and can be found year-round in the White Mountains of New Hampshire hiking, ski touring or climbing rock and ice.

Vickie Dills is an O2X Injury Prevention Specialist. She received a Bachelor of Science degree in Physical Therapy from Northeastern University in 1999 and later completed her Doctorate in Physical Therapy at Simmons College. Vickie embraces the concept of evidence-based rehabilitation. In treating physical therapy patients, she draws upon current research to incorporate scientifically validated methods into her daily practice. In March 2016, she co-authored an article titled “Return to Play Following Sports Hernia Surgery”, which was published in “Clinics in Sports Medicine”.Vickie is also a licensed private pilot and a certified SCUBA diver. Prior to pursuing a career in Physical Therapy, she worked in a trauma center operating room under the direction of the anesthesia department. Vickie served as an active duty Hospital Corpsman in the U.S. Navy. She holds numerous certifications, including Orthopedic Clinical Specialist (OCS), Certified HawkGrips Blood Flow Restriction (BFR) Specialist, Certified ImPACT Trained Physical Therapist (ITPT), Certified Strength and Agility Coach (CSAC), Dry Needling for Orthopedic Rehabilitation and Sport Performance, and Training for Warriors Instructor Certified, among others.

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

Erik Bustillo is an O2X Nutrition Specialist and serves as the first Performance Dietitian for the United States Navy’s Human Performance Optimization (HPO) initiative. He is a Registered Dietitian and former Vice President, ambassador, and fellow of the International Society of Sports Nutrition (ISSN). Erik is also a Certified Sports Nutritionist through the ISSN, a Certified Strength Coach through the National Council on Strength & Fitness (NCSF), and a Certified Personal Trainer through the National Strength and Conditioning Association (NSCA).

He specializes in reading and understanding blood/lab values that have a direct effect on human physiology and one’s ability to perform. Several fields of expertise include energy improvement, performance recovery, weight loss, working with professional/elite athletes, stress management, inspirational communication, mindset, and habit change. Erik has been in the field for over 15 years and knows that nutrition is an elemental factor in well-being & performance; he has been and is currently involved in conducting research studies. He has worked with tactical athletes throughout his entire career and never plans to stop.

His mission is to make this world a better place, and he strives to accomplish this by helping others achieve their health and life goals. He believes that with hard work and determination, everyone is capable of accomplishing what they set their mind to. He enjoys training on a regular basis, as he feels what we do in fitness (the weight room, gym, field, etc.) translates to the real world. Erik practices this by playing sports, getting outdoors, high-intensity training, weightlifting, CrossFit™, and improving his aerobic fitness by running and chasing his dog. He is passionate about making his patients and clients push themselves harder and further than they ever imagined, using a practical approach that turns exercise and nutritional science into easy-to-follow steps for action. Follow him @erikbustillo

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

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

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

Chloe Schweinshaut is an O2X Nutrition Specialist and registered dietitian who owns a private practice, Riverside Nutrition, in Cambridge, MA. She works with a variety of clients looking to improve their health through diet and lifestyle, with a particular focus on first responder nutrition.

Drawing on both professional experience and personal connection, Chloe specializes in supporting the unique demands of first responders, helping them optimize performance, resilience, and long-term health in high-stress environments. She has worked with departments including the Boston Fire Department, New York Fire Department, Cambridge Fire Department, and Boston Police Department, as well as numerous other police, fire, and ambulance services across the country to support healthier lifestyles and address concerns such as weight loss, cancer, diabetes, and heart disease.

Chloe lives in Cambridge, MA with her four kids, three dogs, and firefighter husband.

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

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

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

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

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

Deanna  Busteed,  is a highly experienced performance dietitian, educator, and wellness professional with more than two decades of expertise in sports nutrition, clinical care, and human performance. She currently serves as a Performance Dietitian at the Intrepid Spirit Center at Fort Belvoir, where she provides integrative, evidence-based nutrition support to active-duty service members managing traumatic brain injury, chronic pain, and post-traumatic stress disorder. She also works with O2X Human Performance, delivering science-backed nutrition education to tactical athletes across military, federal, and public safety populations.

Deanna’s career spans collegiate athletics, healthcare, and private practice. She spent nearly a decade as a Sports Dietitian at George Mason University, supporting Division I student-athletes through medical nutrition therapy, performance fueling strategies, and interdisciplinary care. She continues her work at the university as a Senior Fellow in the Center for the Advancement of Wellbeing and as Adjunct Faculty, teaching Sport and Exercise Nutrition. Her additional experience includes dietetic roles in an orthopaedics and physical therapy practice, hospital-based clinical nutrition, and consulting with athletes and individuals managing complex conditions such as eating disorders, RED-S, and nutrient deficiencies.

Deanna is passionate about translating science into practical strategies that enhance health, resilience, and performance. She takes a holistic approach to care, integrating mindful and intuitive eating principles alongside physical training and recovery. In addition to her nutrition work, she is a registered yoga teacher and trauma-informed mindfulness instructor, incorporating mind-body practices to support overall well-being.

Deanna holds a Master of Science in Nutritional Sciences from the University of Massachusetts Amherst and a Bachelor of Science from the University of Rhode Island, where she competed as a Division I swimmer. She is an active contributor to research, publications, and national presentations on sports nutrition, wellness, and performance.

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