Dr. Sandro Galea is the Anna Cheskis Gelman and Murray Charles Gelman Professor and Chair of the Department of Epidemiology at the Columbia University Mailman School of Public Health. Galea is a physician and an epidemiologist. Galea’s research program seeks to uncover how determinants at multiple levels—including policies, features of the social environment, molecular, and genetic factors—jointly influence the health of urban populations. His primary focus is on the causes of mental disorders, particularly common mood-anxiety disorders and substance abuse. His work has documented the mental health consequences of mass trauma and conflict worldwide. The National Institutes of Health, Centers for Disease Control and Prevention, and several foundations have funded his research. He has published over 400 scientific journal articles, 50 chapters and commentaries, and 7 books and his research has been featured in The New York Times, NPR, the Wall Street Journal, and many other media outlets. During Galea’s tenure as Chair, the Department of Epidemiology has launched several new educational initiatives and substantially increased its focus on five core areas: chronic, infectious, lifecourse, psychiatric/neurological, and social epidemiology. Galea chairs the New York City Department of Health and Mental Hygiene’s Community Services Board and sits on its Health Board. He is president of the Society for Epidemiologic Research and an elected member of the Institute of Medicine of the National Academies of Science.