Dietmar Berger is Gilead's Chief Medical Officer, responsible for the company's virology, oncology and inflammation pipeline and its global development and medical affairs organizations. A board-certified internist, hematologist and oncologist with more than 25 years of experience, he previously served as Senior Vice President and Global Head of Development at Sanofi from 2019 to 2024 and, before that, as EVP and Global Head of R&D at Atara Biotherapeutics.