J. Anderson Thomson Jr. is an American psychiatrist and writer. He earned his B.A. from Duke University in 1970 and his M.D. from the University of Virginia in 1974, followed by adult psychiatry training at the University of Virginia from 1974 to 1977. Thomson holds several professional positions in psychiatry and mental health. He works as a staff psychiatrist for Counseling and Psychological Services at the University of Virginia Student Health Center and is affiliated with the University of Virginia's Institute for Law, Psychiatry and Public Policy. He also maintains a private practice and serves as a forensic psychiatrist for Region Ten Community Services. Beyond his clinical work, Thomson is involved with organizations dedicated to reason and science. He is a Trustee of the Richard Dawkins Foundation for Reason and Science and serves as a board member of the Center for Inquiry.