Dr Rosenblatt is currently a Senior Partner of Flagship Pioneering. Dr Rosenblatt joined Flagship from Merck, where he served as Executive Vice President and Chief Medical Officer from 2009 to 2016. During an earlier period at Merck, he led drug discovery efforts in ophthalmology, molecular biology, bone biology, virology, cancer research, gastroenterology, lipid metabolism and cardiovascular research. He has held appointments as Dean of Tufts University School of Medicine; Robert H. Ebert Professor of Molecular Medicine and George R. Minot Professor of Medicine, both at Harvard Medical School; President, Harvard Faculty Dean and Senior Vice President for Academic Programs of Beth Israel Deaconess Medical Center; and Director of the Harvard-MIT Division of Health Sciences and Technology. Dr Rosenblatt has served as a founding scientist, scientific advisory board member or director of more than 12 biopharmaceutical companies. He completed internship, residency and endocrinology training at the Massachusetts General Hospital.