Earned an A.B. in psychology from University of Pensilvania, earned a PHD at the University of Illinois, was the chief of Clinical Sexology Services in the Law and Mental Health Program at the Centre for Addiction and Mental Health (CAMH) in Toronto, Ontario from 1995 to 2010,
Who has published many peer-reviewed articles in publications like the Archives of Sexual Behavior, the Journal of the American Academy of Psychiatry and the Law, and the Journal of Psychiatric Research, has also has contributed chapters to many books, including the Encyclopedia of Psychology and Gender Dysphoria: Development, Research, Management.
And who was in the past president of the International Academy of Sex Research