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Mark Enyedy

  • Former President and Chief Executive Officer, ImmunoGen


  • Audit
  • Corporate Governance and Nominating


Mark J. Enyedy has served on our Board since December 2023. Mr. Enyedy served as the President and Chief Executive Officer of ImmunoGen, Inc., a public biotechnology company, from May 2016 until February 2024, when ImmunoGen, Inc. was acquired by AbbVie Inc.

Mr. Enyedy joined ImmunoGen from Shire plc, a pharmaceutical company, where he served in various executive capacities from August 2013 to May 2016, including as Executive Vice President and Head of Corporate Development from May 2014 to May 2016. Prior to that, he served as Chief Executive Officer and a director of Proteostasis Therapeutics, Inc., a biopharmaceutical company, from September 2011 to August 2013. Prior to joining Proteostasis, he served for 15 years at Genzyme Corporation, a biopharmaceutical company. Before joining Genzyme Corporation, Mr. Enyedy was an Associate with the Boston law firm Palmer & Dodge.

Within the past five years, he served as a director of Ergomed plc, LogicBio Therapeutics, Inc., Akebia Therapeutics, Inc., Fate Therapeutics, Inc., and Keryx Biopharmaceuticals, Inc. Mr. Enyedy also served on the boards of The American Cancer Society of Eastern New England, and The Biotechnology Innovation Organization.

He holds a B.S. from Northeastern University and a J.D. from Harvard Law School.