Leadership TeamBoard of DirectorsBill SiboldChief Executive Officer and DirectorMr. Sibold has more than 30 years of experience in the biopharmaceutical industry. Prior to joining Madrigal, he served as Executive Vice President, Specialty Care of Sanofi and President, Sanofi North America, where he led a global organization of approximately 10,000 employees across five specialty therapeutic areas and served as a member of the Sanofi Executive Committee. Previously, Mr. Sibold served as Chief Commercial Officer of Avanir Pharmaceuticals, and Senior Vice President U.S. Commercial for Biogen. He also served on the Executive Committee of BIO.Mr. Sibold has served as our President and Chief Executive Officer since September 2023. Mr. Sibold has more than 30 years of experience in the biopharmaceutical industry. From 2017 to September 2023, Mr. Sibold served as Executive Vice President, Specialty Care of Sanofi and President, Sanofi North America, where he led a global organization of approximately 10,000 employees across five specialty therapeutic areas and served as a member of the Sanofi Executive Committee. From 2015 to 2017, Mr. Sibold served as Senior Vice President, Global Franchise Head, Multiple Sclerosis, Oncology & Immunology, Sanofi Genzyme. Mr. Sibold first joined Sanofi Specialty Care in 2011 as Global Franchise Head Multiple Sclerosis. Previously, Mr. Sibold served as Chief Commercial Officer of Avanir Pharmaceuticals, Inc., President and CEO of Lycera Corp., and Senior Vice President, U.S. Commercial for Biogen. Mr. Sibold holds a B.A. in Molecular Biophysics and Biochemistry from Yale University and an M.B.A. from Harvard Business School.