Irvin D. Yalom, M.D., is an Emeritus Professor of Psychiatry at Stanford University. He is the author of numerous books, including When Nietzsche Wept and Becoming Myself. He lives in Palo Alto, California. Molyn Leszcz, MD, FRCPC, CGP, DFAGPA, is professor of psychiatry at the University of Toronto. He is an award-winning clinical educator. Dr. Leszcz is the president of the American Group Psychotherapy Association (AGPA) and a distinguished fellow of the American Group Psychotherapy Association. He is the coauthor of Psychotherapy Essentials to Go: Achieving Psychotherapy Effectiveness. He lives in Toronto, Canada.