John P. Wilson, PhD, is Professor of Psychology at Cleveland State University. An internationally recognized expert on PTSD, he is the past president of the International Society for Traumatic Stress Studies. He is the coeditor of [ital]Assessing Psychological Trauma and PTSD[/ital] (with Terence M. Keane) and [ital]Countertransference in the Treatment of PTSD[/ital] (with Jacob D. Lindy). Matthew J. Friedman, MD, PhD, is Executive Director of the National Center for PTSD, based at the VA Medical Center in White River Junction, Vermont. He is also Professor of Psychiatry and Pharmacology at Dartmouth Medical School. His eight books and more than 100 scientific and clinical publications… include [ital]Effective Treatments for PTSD: Practice Guidelines from the International Society for Traumatic Stress Studies[/ital] (coedited with Edna B. Foa and Terence M. Keane). Jacob D. Lindy, MD, is a training and supervising analyst at the Cincinnati Psychoanalytic Institute. For 27 years he has adapted psychoanalytic clinical theory to the special circumstances of the trauma survivor. He is the past president of the International Society for Traumatic Stress Studies and has just completed 5 years as Director of the Cincinnati Psychoanalytic Institute. His publications include [ital]Countertransference in the Treatment of PTSD[/ital] (coedited with John P. Wilson).