Robert L. DuPont, M.D., is clinical professor of psychiatry at Georgetown University School of Medicine in Washington, D.C. Dr. DuPont is a practicing psychiatrist who has specialized in the prevention and treatment of addiction to alcohol and other drugs for more than two decades. He was the first director of the National Institute on Drug Abuse (NIDA), serving under Presidents Nixon, Ford, and Carter. Dr. DuPont was also the second director of the White House drug abuse prevention office, a position now known as the drug czar. He is president of a nonprofit research organization, the Institute for Behavior and Health, Inc., and vice president of Bensinger, DuPont, and Associates, a national consulting firm specializing in the problems of addiction in the workplace. A second major area of professional interest is anxiety disorders such as agoraphobia, panic disorder, and obsessive-compulsive disorder. He was the founding president of the Anxiety Disorders Association of America.