Paul S. Appelbaum, M.D., is Arnold Frank Zeleznik Distinguished Professor and Chair of the Department of Psychiatry, and Director of the Law and Psychiatry Program at the University of Massachusetts Medical Center. He has served as chair of the American Psychiatric Association's Council on Psychiatry and Law and Commission on Judicial Action, and is a member of the John D. and Catherine T. MacArthur Foundation's Research Network on Mental Healthand the Law. In 1990, Dr. Appelbaum received the Isaac Ray Award of the American Psychiatric Association for "outstanding contributions to forensic psychiatry and the psychiatric aspects of jurisprudence."