Johanna Mercier serves as Gilead's Chief Commercial Officer, with responsibility for the global commercialization of all the company's medicines throughout the product lifecycle. Under her leadership, Gilead works to ensure that patients around the world have access to the company's transformational medicines. Johanna joined Gilead in 2019 after 25 years at Bristol-Myers Squibb, where she served in a number of executive leadership positions, gaining broad experience across geographies and in all aspects of the commercial business. In her time there, she successfully evolved the culture and drove strong commercial execution with double-digit growth and multiple launches that changed the standard of care in melanoma and renal cancers .Johanna holds a bachelor's degree in biology from the University of Montreal and an MBA from Concordia University. She currently serves on the board of directors of Neurocrine Biosciences, Inc. and the University of Southern California's Leonard D. Schaeffer Center for Health Policy and Economics.