Aaron Temkin Beck, M.D. (Yale University, 1946) is University Professor in the Department of Psychiatry at the University of Pennsylvania and the Director of the Center for the Treatment and Prevention of Suicide and the Psychopathology Research Unit. He currently serves as the Principal Investigator of several research projects at the Center, including Community-Based Cognitive Therapy for Suicide Attempters, Cognitive Therapy for Suicidal Patients with Drug Dependence, and Cognitive Therapy for Suicidal Older Men. To learn more about Dr. Beck's research interests and background, please visit his website at mail.med.upenn.edu/~abeck.