Jeff Thompson, Ph.D., is an adjunct associate research scientist in the Department of Psychiatry at Columbia University Medical Center and the New York State Psychiatric Institute. Dr. Thompson is also an instructor at Lipscomb University in the College of Leadership and Public Service. He retired recently after serving more than 20 years as a detective in the New York City Police Department (NYPD) where he was their first-ever mental health and wellness coordinator and previously a hostage negotiator. Dr. Thompson conducts research on resilience, mental health, leadership, suicide pre/post-vention, and crisis communication. His trainings have been provided across the world to people including first responders and other professionals. He has presented at conferences giving keynotes, plenary sessions, and workshops for a variety of academic and professional organizations.