Kelsey Martin is professor emeritus of biological chemistry, psychiatry and biobehavioral sciences at the University of California, Los Angeles (UCLA) and the executive vice president of the Simons Foundation Autism Research Initiative (SFARI) and the Simons Foundation Neuroscience Collaborations. She was the former dean of David Geffen School of Medicine at UCLA from 2015 to 2021. She was the first woman to be named dean of the UCLA medical school and one of just a few female medical school deans in the United States. In 2026, she was elected to the American Philosophical Society.