Joseph Nicolosi (Ph.D., psychology) is clinical director of the Thomas Aquinas Psychological Clinic and former president and cofounder of the National Association of Research and Therapy of Homosexuality (NARTH). His other books include Reparative Therapy of Male Homosexuality (Aronson, 1991), Healing Homosexuality: Case Stories of Reparative Therapy (Aronson, 1993) and A Parent's Guide to Preventing Homosexuality (InterVarsity Press, 2002).