Marc has been President and Chief Executive Officer of Thermo Fisher Scientific since October 2009. He was also elected Chairman of the Board in February 2020.

He joined Thermo Electron Corporation in 2001 as President of the Life Sciences sector. He was named Senior Vice President in 2003, and in 2005 assumed responsibility for all of the company’s operating divisions. After the merger creating Thermo Fisher Scientific in 2006, Marc was named Executive Vice President and President of its Analytical Technologies business, and in 2008 he became the company’s Chief Operating Officer.

Prior to joining Thermo Fisher, Marc served as President, Chief Executive Officer and a Director of Kendro Laboratory Products. Previously, he worked for clinical diagnostics provider Dade Behring Inc., serving as President–Americas. Marc began his career as a strategy consultant at Bain & Company and later joined Bain Capital.

Marc serves on the boards of Wesleyan University, Mass General Brigham, Synopsys, Inc. and the Board of Dean’s Advisors at Harvard Business School. He is also Chairman Emeritus of the U.S.-China Business Council. Previously, he was a director of the Advisory Board Company, Zimmer Holdings, U.S. Bancorp and Brigham & Women’s Hospital. Marc earned an MBA with high distinction from Harvard Business School and is a graduate of Wesleyan University, where he received a bachelor’s degree in economics.