Michael Lewis, PhD, MPH, is a postdoctoral research fellow in the Anxiety and Traumatic Stress Disorders Laboratory at McLean Hospital. Dr. Lewis received his BA from Pennsylvania State University and an MPH from George Washington University. He also received an MS in clinical psychology and a PhD in biological psychology, both from Virginia Polytechnic and State University.

Dr. Lewis specializes in the application of innovative statistical approaches to understand the role of fear learning in post-traumatic stress disorder (PTSD). As a Rappaport Scholar, He will leverage advances in machine learning to understand conditioned fear in individuals with PTSD. The overarching aim of his project is to identify specific machine learning techniques that have the greatest promise for future development of psychophysiology-informed personalized exposure treatment for PTSD.