Archetypes and Personas (with Sybil Holiday, CCHT). Leatherquest, San Francisco CA, March, 2010

Human Sexuality in the Process of Psychotherapy. Institute for Advanced Study of Human Sexuality, San Francisco CA, June, 2009

Submission, Service, and Slavery (with Sybil Holiday, CCHT). Journeyman III Academy, San Francisco CA, July, 2007; Oakland CA, June 2005; Journeyman II Academy, San Jose CA, April, 1996; Leatherfest, San Diego CA, March, 1995; QSM, San Francisco CA, August, 1994; June, 1991

Difficult Dialogues in Feminist Practice with Bisexual Women (with Beth Firestein, Ph.D., Sara K. Bridges, Ph.D., Stacy Lynn Coffman, Ph.D., and Geri Weizman, Ph.D.). Association for Women in Psychology, 32nd Annual Conference, San Francisco CA, March, 2007

The Beneficial Aspects of Exploring Personas and Role Play in a BDSM Context (with Sybil Holiday, CCHT). American Association of Sex Educators, Counselors, and Therapists (AASECT), San Francisco CA, February 2006

Out of the Closet and Onto the Couch: Clinical Practice with Sexual Minorities (with Dossie Easton, MFT, Janice Epp, Ph.D., and Jack Morin, Ph.D.). Society for the Scientific Study of Sexuality, Western Regional Meeting, San Francisco CA, May 2005

Providing Therapeutic Care Outside the Binary Gender System (with Rebecca Auge, Ph.D., Lin Fraser, Ed.D., Kim Hraca, MFT, Dan Karasik, M.D., Luanna Rodgers, MFT, and Anne Vitale, Ph.D.). Harry Benjamin International Gender Dysphoria Association Annual Conference, Galveston TX, November, 2001

Coming Out Trans: Questions of Identity for Therapists Working with Transgendered Individuals. Fourth Annual “In the Family” Conference, Fostering Therapies of Resilience, San Francisco CA, June, 2001

The Varieties of Cross Gender Experience. At the Alternative Families Project, San Francisco CA, November, 1999, November, 1996. At the San Andreas Regional Counseling Center, Campbell CA, June, 1996

Ask the Doctor (with Charles Moser, M.D.). Society of Janus Silver Jubilee, San Francisco CA, 18 September 1999

Transgendered People: What We Ought to Know (with Patricia Ashbrook, Ph.D., Lin Fraser, Ed.D., and James Green, M.A.). American Psychological Association National Conference, San Francisco CA, August, 1998

Leather Health: Mental and Physical Health Issues in Gay Male Leather Culture (with Michael Bettinger, Ph.D., Beth Brown, M.D., John Hall, M.D.). San Francisco CA, July, 1998

A Union of Love: Creativity, Transformation, and Identity. Plenary Presentation on The Power of Sex, Society for the Scientific Study of Sexuality, Western Regional Conference, Honolulu HI, June, 1998

A Transgender Issues Consultation Group. Panel, Harry Benjamin International Gender Dysphoria Association Annual Conference, Vancouver BC, Canada, September, 1997

Psychotherapy with Gay, Lesbian, Bisexual, and Transgendered Clients (with Liz Naidoff, MFT). Caring for the Community: Haight-Ashbury Free Clinics 30th Anniversary Conference, San Francisco CA, June, 1997

Erotic Power Exchange as a Part of Human Sexuality. University of California Medical School, San Francisco CA, February, 1996

SM and Spirituality (with Joseph Bean, Cléo Dubois, Sybil Holiday, and Fakir Musafar). Society of Janus, San Francisco CA, December, 1995

Multiple Personality Order: An Alternate Paradigm for Understanding Cross Gender Experience. Society for the Scientific Study of Sexuality, National Convention, San Francisco CA, November, 1995. International Congress on Cross Dressing, Gender, and Sex, Northridge CA, February, 1995

Therapists’ Panel. First FTM Conference of the Americas, FTM International, San Francisco CA, August, 1995

Male Gender Identity in Morphological Females: A Study in Female to Male Transsexualism. Society for the Scientific Study of Sex, National Convention, Miami FL, November, 1994

Who’s Who in You? An Alternate Personas Workshop (with Sybil Holiday, CCHT). QSM, San Francisco, CA, April 1994; April 1992; Fantasia Fair, Provincetown MA, October, 1991

Love & Power (with Sybil Holiday, CCHT). National Sexuality Symposium, Woodside CA, March, 1994

Alternate Sexual Lifestyles (with James Green, Carol Queen, and Kat Sunlove). Society for the Scientific Study of Sex, Western Region Meeting, Palo Alto CA, May, 1992

Atypical Sexual Behavior. San Francisco State University, San Francisco CA, December, 1990

SM Professionals and their Clients. Panel, National Leather Association Annual Convention, Portland, OR October, 1990

Gay, Straight, Bi: Are We One Community? Panel, National Leather Association Annual Convention, Portland OR, October, 1990

Sexology in Family Practice (with Maggie Rubenstein, Ph.D.). Institute for Advanced Study of Human Sexuality, San Francisco CA, October, 1990

Erotic Power Play (with Sybil Holiday, CCHT). Society for the Scientific Study of Sex National Convention, San Francisco CA, November, 1988