Jon E. Grant, JD, MD, MPH, is a Professor of Psychiatry and Director of the Impulsive Compulsive Disorders Clinic at the University of Minnesota Medical School. An author of over 200 peer-reviewed scientific publications, Dr. Grant serves on the editorial boards of several journals and is the Editor in Chief of the Journal of Gambling Studies. Christopher B. Donahue, PhD, is an Assistant Professor in the Department of Psychiatry at the University of Minnesota, Minneapolis, MN. He is involved in ongoing collaboration with co-authors investigating treatments for impulse control disorders. Dr. Donahue has published book chapters and refereed journal articles on the treatment of anxiety and impulse control disorders. Other areas of research include cognitive behavioral therapy for comorbid alcohol and anxiety disorders and Exposure/Response Prevention treatment of obsessive compulsive disorder. Dr. Donahue divides his time between research and an independent clinical practice. Brian L. Odlaug, BA, is a graduate student in the School of Public Health at the University of Minnesota and concurrently works in the Department of Psychiatry as the Lead Clinical Research Coordinator for the Impulse Control Disorders Clinic. He has published over 50 peer-reviewed articles and book chapters exploring the phenomenology, treatment, and clinical characteristics of impulse control disorders and other psychiatric conditions. His current research interests include examining the public health consequences of behavioral addictions on individual quality of life and their economic and social impact in the general population.