Dr. William Mobley is a Distinguished Professor of Neurosciences and Associate Dean for Neurosciences Initiatives at the University of California, San Diego. He came to UCSD in June of 2009 from Stanford University where he served as the John E. Cahill Family Professor in the Department of Neurology and Neurological Sciences and was the founding director of the Neuroscience Institute. He earned his Ph.D. from Stanford University in Palo Alto, California in Neuro- & Behavioral Science in 1974 and an M.D. from the same institution in 1976. Dr. Mobley completed an internship in Pathology in 1977, and a Pediatric residency in 1979, both at Stanford University and then completed a residency and fellowship in Neurology and Pediatric Neurology at The Johns Hopkins University in 1982. While there, he was selected to serve as Chief Resident in Pediatric Neurology from 1981 to 1982. In 1983, he was certified by the American Board of Pediatrics and in 1987 by the American Board of Psychiatry and Neurology with Special Competence in Child Neurology. He is a Past President of the Association of University Professors of Neurology, the Professors of Child Neurology, and the International Society for Developmental Neuroscience. He is also a Fellow of the Royal College of Physicians (2001) and in 2004 was elected a Member of the National Academy of Sciences, Institute of Medicine (now the National Academy of Medicine). In 2006, Dr. Mobley was named a Fellow of the American Association for the Advancement of Science, in 2011 received the International Sisley-Jérôme Lejeune Prize for research in Down Syndrome and in 2014 was named to the Johns Hopkins Society of Scholars. Dr. Mobley currently serves as President of the T21 Research Society. In 2019 he was appointed interim Director of the Sanford Institute for Empathy and Compassion. His research focuses on the biology of Alzheimer disease, especially as manifest in those with Down syndrome. It encompasses studies that extend from basic cellular mechanisms to the discovery of treatments and to the compassionate care of these individuals.