Unit HomeAgenciesForce Preservation Directorate (G-10)HQMC G-10 Force Preservation Directorate Psychological Health Branch

Dr. William P. Nash


Before becoming the Director of Psychological Health for the U.S. Marine Corps in May 2015, Bill Nash was a psychiatric researcher, educator, and consultant in posttraumatic stress and moral injury prevention and treatment for the US Departments of Defense and Veterans Affairs.  While on active duty in the US Navy, CAPT Nash provided far-forward psychological health services to the 1st Marine Division during Operation Al Fajr, for which he was awarded a Bronze Star, and he led the development of the current Navy and Marine Corps doctrine for Combat and Operational Stress Control, including its acknowledgment of moral injury and loss as important mechanisms of psychological injury.  Dr. Nash has led or collaborated on research on risk and protective factors, new measures for early recognition, and new cognitive-behavioral treatments for combat-related stress injuries.  Dr. Nash served as a member of the Institute of Medicine’s Committee for Assessment of the Effectiveness of PTSD Treatment in DoD and the VA.  He has co-authored two books.