Dr. Michael Liebowitz is a Professor of Psychiatry at Columbia University and New York State Psychiatric Institute (NYSPI) and is currently Director at Medical Research Network where he is engaged in clinical trials for depression, anxiety, binge eating, ADHD, PTSD, and borderline personality disorders. Dr. Liebowitz completed his fellowship in psychopharmacology at the Depression Evaluation Service at NYSPI, where he helped develop and validate the DSM criteria for atypical depression. Dr. Liebowitz established the Anxiety Disorders Clinic at NYSPI, the first research clinic to specialize in anxiety disorders in the United States. Over the next two decades, Dr. Liebowitz and colleagues helped refine treatments for panic disorder, broadened the diagnostic criteria and established medication treatment for social anxiety disorder, and collaborated in clinical trials comparing medications and behavioral treatments for several anxiety disorders. Dr. Liebowitz developed the Liebowitz Social Anxiety Scale (LSAS) which has been the primary outcome measure for several registration programs in social anxiety disorder and is used worldwide as a research and clinical measure.