Darryl Sleep, M.D., is the Head of Global Public Health within the Office of the Chief Medical Officer. Global Public Health focuses on Access to Healthcare, Clinical Trial Diversity and Representation, and the advancement of health equity globally. Dr. Sleep has over 40 years’ experience across multiple therapeutic areas. He joined Amgen in 2018 as senior vice president, Global Medical and Chief Medical Officer, leading Amgen’s Medical Organization before transitioning to lead the newly formed Global Public Health Organization in 2024. Before joining Amgen, he was SVP, Head of U.S. Medical Office and U.S. Medical Affairs at Takeda Pharmaceuticals. During his eight years at Takeda, Sleep held several senior leadership positions in R&D from translational early clinical development to global clinical science and therapeutic area leadership, driving strategic development of Takeda’s pipeline and driving transformation within the R&D organization. Prior to Takeda, he held several clinical and medical leadership positions in Global Pharmaceutical R&D at Abbott Pharmaceuticals from 2000 to 2010. Sleep received his bachelor of medicine and bachelor of surgery (MBBCh) degree from the University of the Witwatersrand Medicine School, South Africa, in 1983. Sleep specialized in urology, completing his urology training at the University of Witwatersrand, receiving the Fellowship of the College of Surgeons (FCS) from The Colleges of Medicine, South Africa. He served as Head of Urology at the Johannesburg Academic Hospital before being appointed as Professor of Urology at the University of Pretoria and Academic Head of the Department of Urology at Kalafong Academic Hospital, in Pretoria, South Africa.