William Sibold

William J.
Sibold is Chief Executive Officer at True North Therapeutics, Inc. He is President, Chief Executive Officer & Director at Madrigal Pharmaceuticals, Inc. since 2023.
He serves as President & Director at Bioverativ Therapeutics, Inc. and as Director at Biotechnology Innovation Organization.
Former roles include Chief Executive Officer at Lycera Corp., President & Director at Genzyme Corp., Product Manager at Amgen, Inc., Senior Vice President-US Commercial Division at Biogen, Inc., Chief Commercial Officer & Senior Vice President at Avanir Pharmaceuticals, Inc., EVP-Specialty Care & President-North America at Sanofi from 2017 to 2023, Principal at Eli Lilly Canada, Inc., and President at Bioverativ, Inc. Education includes undergraduate studies at Yale University and an MBA from Harvard Business School.