Photo of Don Bergstrom

Don Bergstrom, M.D., Ph.D.


Don spent autumn weekends in graduate school making wine in Oregon’s Willamette Valley.

Don Bergstrom oversees Relay’s research and development efforts and shaping the Company’s portfolio of transformative medicines based on an understanding of protein motion. Prior to Relay, Don was chief medical officer at Mersana Therapeutics, where he led the advancement of two products based on Mersana’s proprietary antibody-drug conjugate platform through non-clinical development and into Phase 1 clinical trials. Prior to Mersana, he was global head of translational and experimental medicine at Sanofi Oncology. Prior to Sanofi, Don held roles of increasing responsibility at Merck Research Laboratories, culminating in his role as oncology franchise lead, experimental medicine.

Don holds an M.D. from the University of Washington, Seattle and a Ph.D. from the Fred Hutchinson Cancer Research Center, where he also completed post-doctoral training. He was a resident in clinical pathology at the University of Washington.