John H. O’Neal, MD, is a board-certified psychiatrist who has been in private practice since 1977. He is past chief of the department of psychiatry at Sutter Community Hospital in Sacramento, CA. He is associate clinical professor of psychiatry at the UC Davis School of Medicine, and a fellow of the American Psychiatric Association. He lectures on depression and psychopharmacology to mental health professionals, employee assistance programs, and the public. O’Neal received his master’s in clinical psychology from Harvard University, and doctor of medicine from the University of Washington.