Stephen Buka, ScD, MSc, MA is Professor and Founding Chair of Brown University’s Department of Epidemiology. He has also served as Director of Brown’s Center for the Study of Human Development and Center for Population Health & Clinical Epidemiology. With training in epidemiology and developmental psychology, his research focuses on the causes and prevention of childhood psychiatric and cognitive disorders. He has directed major longitudinal studies examining the impact of birth complications, environmental hazards, and socioeconomic conditions on behavioral and intellectual development. He works regularly with local, state, and national agencies concerned with the health and welfare of children and families.