George F. Koob is a Professor and Chair of the Committee on the Neurobiology of Addictive Disorders at The Scripps Research Institute and Adjunct Professor in the Departments of Psychology and Psychiatry, and Adjunct Professor in the Skaggs School of Pharmacy and Pharmaceutical Sciences at UC San Diego. Dr. Koob's research interests are directed at the neurobiology of drug addiction, with a focus on the theoretical constructs of reward and stress.