On January 6, 2026, Repligen Corporation announced that the Board of Directors has elected Dr. Martin D. Madaus as Chair of the Board, effective March 13, 2026. Dr. Madaus will succeed Tony J. Hunt, who is currently serving as the Executive Chair of the Board, following his previously announced March 2026 retirement, which shall be on the Effective Date, at which time Mr. Hunt will retire as a member of the Board. Mr. Hunt will continue to serve as an advisor to Repligen through March 2027.
Martin D. Madaus, D.V.M., Ph.D., has served as a director of Repligen since February 2023. Dr. Madaus has 36 years of industry experience, including five years as Chairman, President and CEO of Millipore Corporation, where he was integral to the company?s transformation into a life science leader, and its acquisition by Merck KGaA in 2010. Dr. Madaus serves on the boards of Azenta Inc. and Hologic Inc. He holds a D.V.M. from the University of Munich in Germany and a Ph.D. from the University of Veterinary Medicine of Hanover in Germany.
