John A. Sweeney, PhD, is Professor of Psychiatry and Pediatrics as well as Vice Chair for Clinical Research in the Department of Psychiatry at UT Southwestern Medical Center in Dallas, Texas. He is also Director of the UT Southwestern Center for Autism and Developmental Disabilities. He received his PhD in Clinical Psychology from Syracuse University, completed his internship in Clinical Psychology at New York Hospital's Payne Whitney Clinic, and was a Post-Doctoral Fellow at Cornell University College of Medicine. Dr. Sweeney's clinical research program involves cognitive, neurophysiological and neuroimaging work. His work has primarily focused on autism and other neurodevelopmental disorders and psychotic disorders. Dr. Sweeney is a member of numerous professional and scientific associations. He has served on multiple scientific advisory boards for NIH and pharmaceutical companies and is an author of over 300 peer-reviewed articles.