Mary Beth Harler, M.D.
Head, Research & Autoimmunity

Dr. Harler joined IGM in 2021 and serves as the Head of Research and Autoimmunity. Prior to joining IGM she was Senior Vice President, Head of Immunology and Fibrosis Development at Bristol Myers Squibb, where she oversaw late-stage development of assets for the potential treatment of psoriasis, inflammatory bowel disease (IBD) and nonalcoholic steatohepatitis (NASH), among others. Dr. Harler also oversaw approved medicines within the immunology and fibrosis  portfolios, such as Orencia and Zeposia. In her more than 10 years at Bristol Myers Squibb she also served as Head of Innovative Medicines Development and Head of Innovative Clinical Development in the cardiovascular, fibrosis, immunoscience and genetically-defined diseases group. Prior to joining Bristol Myers Squibb, Dr. Harler worked in both medical affairs and clinical research at Wyeth Pharmaceuticals (now part of Pfizer). Dr. Harler received a B.S. from Wheeling University in West Virginia and an M.D. from Marshall University. She completed training as a general surgeon at Brown University’s Rhode Island Hospital, where she was also a research fellow with a focus on the role of immune cells in wound healing.