Robert L. DuPont, MD, psychiatrist, has for more than 40 years been a leader in drug abuse prevention and treatment in the United States. He was the first Director of the National Institute on Drug Abuse and was the second White House Drug Chief. In 1978 Dr. DuPont became the founding President of the Institute for Behavior and Health, Inc., a non-profit organization that identifies and promotes big new ideas to reduce illegal drug use. He is Vice President of Bensinger, DuPont & Associates, a leading consulting firm dealing with substance abuse, which he founded in 1982 with his longtime colleague Peter Bensinger. Dr. DuPont maintains an active psychiatric practice specialising in addiction and anxiety disorders, and has been Clinical Professor of Psychiatry at the Georgetown University School of Medicine since 1980.