Dr. Richard Gallagher is a board certified psychiatrist and a Professor of Psychiatry. Educated at Princeton, he trained at Yale and Columbia where he remains on the psychoanalytic faculty. He is a recognized medical expert on discerning cases of demonic possession, advises multiple clergy on the subject, and has undoubtedly seen more examples of true and false possessions than any other physician in the world. His upcoming book on the subject, Demonic Foes, is published by HarperCollins and will be available soon.