From 1996 to 2017, Mr. Ketchum held various positions at Novartis International AG, including as Senior Vice President, Region Head, Emerging Growth Markets from 2014 to 2017 and Senior Vice President, Region Head, Latin America, from 2014 to 2017. Mr. Ketchum serves as an advisor and the Chairman of the Board of Ernest Pharmaceuticals LLC, a privately held oncology company. Mr. Ketchum received his B.A. from Hamilton College and his M.B.A. from the University of North Carolina at Chapel Hill. We believe Mr. Ketchum's industry experience and life science expertise, including his extensive work in commercializing pharmaceuticals in the U.S. and in international markets, make him qualified to serve on our board of directors.