Prof. Yuval Heled, PhD, is a Full Professor and Head of the Exercise Physiology Laboratory at the Dina Recanati School of Medicine, Reichman University, Israel. Formerly the Chief Physiologist of the Israel Defense Forces (IDF) Medical Corps. He is an internationally recognized expert in exercise physiology, human performance, stress adaptation, and longevity. He is a Fellow of the American College of Sports Medicine (ACSM).