Magenta Therapeutics, Inc. announced the appointment of Jeffrey Humphrey, M.D., as the company’s Chief Medical Officer where he will be responsible for all clinical development and regulatory initiatives. Dr. Humphrey is a medical oncologist with significant leadership experience in drug development and has been involved with the development of more than 20 drug candidates, including regulatory submissions leading to multiple drug approvals in the United States and Europe. Dr. Humphrey joins Magenta from Constellation Pharmaceuticals where he was Chief Medical Officer, leading medical affairs, clinical pharmacology, clinical operations and data management, among other responsibilities. Previously, he served as Executive Vice President and Chief Development Officer of Kyowa Kirin USA Holdings, Inc. and as President and Chief Medical Officer of Kyowa Kirin Pharmaceutical Development, Inc. Dr. Humphrey has also held senior leadership roles at Bristol-Myers Squibb, Bayer and Pfizer.