Robert J. Markelewicz, Jr., M.D., M.M.Sc., has served as our Chief Medical Officer since June 2018. Prior to that, he was Senior Medical Director at Celgene Corporation, a cancer and immunology pharmaceutical company, from December 2014 to July 2018, and Medical Director at Parexel International Corporation, a provider of biopharmaceutical services, from December 2012 to December 2014. Dr. Markelewicz is a Diplomate of the American Board of Nuclear Medicine and an Allopathic Physician in the State of Rhode Island and the Commonwealth of Massachusetts. Dr. Markelewicz received an Sc.B. in Biology, an M.M.Sc. in Medical Science and an M.D. from Brown University.