Ian A. Cook, M.D. holds the Joanne and George Miller and Family Endowed Chair in Depression Research. He is a Professor of Psychiatry and Biobehavioral Sciences in the David Geffen School of Medicine, and a Research Scientist at the Semel Institute for Neuroscience and Human Behavior. Dr. Cook received his bachelors degree with high honors from Princeton University and his medical degree from the Yale University School of Medicine. He completed his psychiatry residency training at UCLA's Neuropsychiatric Institute, where he also was an NIMH-funded research fellow. Dr. Cook served on the Executive Committee on Practice Guidelines of the American Psychiatric Association, and guided the electronic dissemination of their evidence-based guidelines in psychiatry. A board-certified Psychiatrist, he has also served as an examiner for the American Board of Psychiatry and Neurology. His biography is profiled in Who's Who in America, Who's Who in the World, and Best Doctors. He is the author of numerous publications on brain function in mental illness and in aging, and holds several patents on biomedical devices and methods.