Jason Harris is a Professor of Pediatrics and Chief of the Division of Pediatric Global Health at MassGeneral for Children in Boston. Dr. Harris co-directs the Global Enteric Laboratory at MGH, working with colleagues from around the world on programs to control cholera and other enteric diseases which disproportionately affect children. Dr. Harris is a member of the World Health Organization’s Global Task Force on Cholera Control and the American Society for Clinical Investigation.