Lloyd Giffin Sinclair, American psychotherapist, sex educator. Certified sex education therapist and supervisor. Member Association Sex Therapists and Counselors (vice president since 1986), American Association Sex Educators, Counselors and Therapists, National Association Social Workers, Academy Certified Social Workers, Sex Information and Education Council of the United States.
- Psychotherapist, instructor Midwest Psychotherapy Center, Madison, since 1973. Lecturer University Wisconsin, Whitewater, since 1976. Director Family Sexual Abuse Treatment, Madison, since 1983.