David Berceli, Ph.D. is an international expert in the areas of trauma intervention stress reduction and resiliency strengthening. He has lived and worked in war-torn countries and natural disaster zones around the world. He specializes in trauma recovery with large populations i.e., military personnel, national and international relief agencies, and government and non-government organizations whose staff are living and working in trauma-inducing environments. Dr. Berceli is also the creator of a revolutionary set of Tension and Trauma Releasing Exercises (TRE).