William Fisher is Distinguished Professor in the Department of Psychology and the Department of Obstetrics and Gynaecology at the University of Western Ontario, and he is Co-Founder and Research Affiliate of the Centre for Health, Intervention, and Prevention at the University of Connecticut. Dr. Fisher received his BA at Tel Aviv University and his M.S. and Ph.D. at Purdue, he has been a Health Canada National Health Scientist, and he is a Fellow of the Society for the Scientific Study of Sex and the Canadian Academy of Health Sciences. Dr. Fisher is an associate editor of the Journal of Sexual Medicine, a consulting editor of Archives of Sexual Behavior, and serves on the editorial board of Health Psychology. He has been awarded the Hellmuth Prize for Research and the Pleva Award for Excellence in University Teaching, and has published over 200 papers on basic models of the social and psychological determinants of health behavior, including human sexual and reproductive health risk and preventive practices, sexual function and dysfunction, and chronic disease and diabetes self-management. Dr. Fisher’s research has been supported by the U.S. National Institutes of Health for the past two decades.