Dr. Thomas Marcotte is Professor of Psychiatry at the University of California, San Diego, and Co-Director of the Center for Medicinal Cannabis Research, which has conducted clinical trials of cannabis for over 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 the effects that cannabis has on driving performance, both alone and in combination with alcohol, including methods for detecting cannabis-related driving impairment (bodily fluids, standardized field sobriety tests, and tablet-based measures). He is also the principal investigator of an NIH-funded take-home study of cannabis for the treatment of pain, and previously was a co-investigator on cannabis studies addressing pain and spasticity in multiple sclerosis. Dr. Marcotte has served on the editorial boards of Neuropsychology and the Journal of the International Neuropsychological Society, was co-chair of the Research, Data and Technology subcommitte of the State of California Impaired Driving Task Force, and a member on the California Office on Traffic Safety Impaired Driving Blueprint Roundtable. He is co-editor of the book Neuropsychology of Everyday Functioning, 2nd Edition (Marcotte, Schmitter-Edgecombe & Grant).