Sumbul Desai is vice president of health at Apple, overseeing health product development, medical research and partnerships, and leading Apple’s regulatory and quality teams. She and her team are involved in the development of Apple’s consumer health tools, including the new Hearing Test and Hearing Aid features on AirPods Pro and sleep apnea notifications on Apple Watch. They have also worked on the ECG app, irregular rhythm notifications, retrospective ovulation estimates, Vitals app, sleep tracking and mental health features and are conducting clinical studies with iPhone and Apple Watch, including a new approach to studying depression and anxiety with the University of California, Los Angeles. Desai is clinical associate professor in the Department of Medicine at Stanford School of Medicine and served as vice chair of strategy and innovation there and as associate chief medical officer at Stanford Healthcare.