, where he oversaw the multiple sclerosis, oncology, and immunology business units in the U.S. and Canada. Prior to his 2015 arrival at Sanofi Genzyme, he spent four years as president and chief executive officer of Sanofi Pasteur MSD leading a variety of functions, including sales and marketing, market access, supply
, where he oversaw the multiple sclerosis, oncology, and immunology business units in the U.S. and Canada. Prior to his 2015 arrival at Sanofi Genzyme, he spent four years as president and chief executive officer of Sanofi Pasteur MSD leading a variety of functions, including sales and marketing, market access, supply