Dr. Marcotte is Professor of Psychiatry at the University of California, San Diego, and Co-Director of the Center for Medicinal Cannabis Research (www.cmcr.ucsd.edu), which has conducted clinical trials of cannabis for almost 20 years, and has an active, ongoing portfolio exploring the effects of cannabinoids (plant-based, synthetic) in various medical/psychiatric conditions. He is currently the principal investigator on studies addressing cannabis for the treatment of pain, and the effects of acute cannabis use on driving performance. He has previously been co-investigator on numerous cannabis studies addressing pain and spasticity in multiple sclerosis. Dr. Marcotte has also served as the Center Manager of the HIV Neurobehavioral Research Center, Co-Director of CHARTER (a national multi-site study of the CNS impact of treatments for HIV), and Director of Mental Health for the UCSD HIV Clinic. He has been the PI or Co-PI on many studies examining the impact of HIV on cognition, as well as everyday functioning, and on the editorial boards of Neuropsychology and the Journal of the International Neuropsychological Society.