Joseph Sheffield is an O2X On-Site Human Performance Specialist specializing in Strength & Conditioning with the 147th Air Support Operations Squadron. In this role, he brings over a decade of experience in coaching tactical populations to enhance performance, readiness, and resilience. His expertise includes designing and implementing strength and conditioning programs tailored to the unique demands of tactical athletes.Previously, Joseph served as the Lead Strength & Conditioning Coach for the U.S. Army’s Holistic Health and Fitness (H2F) Program with the 16th Military Police Brigade at Fort Liberty, overseeing coaching staff across multiple locations. He worked closely with military leadership to improve soldier lethality and combat readiness while also providing specialized combative-based instruction to enhance physical restraint and control skills. Before this, Joseph was a Strength & Conditioning Coach for the 18th Field Artillery Brigade, where he collaborated with unit fitness leaders, educated service members on exercise science principles, and designed tailored training programs, including for postpartum and pregnant service members. Earlier in his career, Joseph was the Head Strength & Conditioning Coach for All-Marine Corps Sports and the All-Marine Wrestling Team and an instructor for the USMC High-Intensity Tactical Training (HITT) Program. Notably, he trained and coached a Marine who competed for Team USA at the 2020 Olympics in Tokyo.Joseph holds a Bachelor of Science in Sports and Exercise Science from the University of North Carolina-Greensboro and a Master of Science in Exercise Physiology from the University of Texas-El Paso. His passion for tactical strength and conditioning is matched by his commitment to advancing the performance and well-being of those he trains.