Jeffrey Cook, Ph.D. is a Director of Training and Education at the Center for Deployment Psychology. Dr. Cook retired after 23 years in the military, having served as an infantry Marine, Navy corpsman and clinical psychologist. As a psychologist, he was the Mental Health Division Officer in Okinawa, Japan; ship psychologist on the U.S.S. George Washington; and the Department Head for the Psychological Health and Traumatic Brain Injury program at NNMC Bethesda, MD. Dr. Cook is a graduate of the Uniformed Services University of the Health Sciences clinical psychology program, and also serves as adjunct faculty at USU. Dr. Cook’s professional interests include evidence-based treatment approaches, program evaluation, and PTSD.