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Spencer Posey is a seasoned leader with 14 years of experience in human performance, leadership, and health optimization. He currently serves as Booz Allen Hamilton’s lead scientist for human performance. Spencer recently transitioned out of the United States Army, where he served as the Holistic Health & Fitness (H2F) Lead for the 3D United States Infantry Regiment, The Old Guard. He was pivotal in implementing the H2F system, optimizing Soldier readiness through a multi-domain approach, and educating Army senior leaders on the principles of the H2F system at the U.S. Army Pre-Command Course/School for Command Preparation, Fort Leavenworth, KS. Spencer has also led innovative research projects, including a published study on the Army Combat Fitness Test, VO2 Max, eating habits, and body composition between active-duty Soldiers and ROTC Cadets, the first of its kind.