Robert Tepper, M.D.


Some people say our process takes a long time, and is a lot of work, and it does and it is. And that’s by design.

Robert Tepper

Bob is a co-founder of Third Rock and a distinguished scientist with more than 30 years of experience building and operating leading R&D organizations in the biotech industry. At Third Rock, Bob focuses on the formation, development and scientific strategy of our portfolio companies, as well as actively identifying and evaluating new company ideas.

Bob met Third Rock co-founders Mark Levin and Kevin Starr while he was president of R&D at Millennium Pharmaceuticals, where he was vital in the company’s expansion from a drug discovery company to a fully integrated biopharmaceutical company. He also co-founded Cell Genesys/Abgenix. Bob currently serves as an adjunct faculty member at Harvard Medical School and Massachusetts General Hospital.

Year Joined
  • 2007
  • A.B., Biochemistry, Princeton University
  • M.D., Harvard Medical School
Administrative Support
  • East Coast
Board Positions