Dorothy "Dossie" Easton (born February 26, 1944), who has also written under the name Scarlet Woman, is an American author and family therapist based in San Francisco, California. She is polyamorous and lives in West Marin, California. Background Easton is a non-fiction author and poet. She has been a plenary or keynote speaker at many conferences, including conferences of the American Association of Sex Educators, Counselors and Therapists (AASECT), the Society for the Scientific Study of Sex, and the University of Hamburg. Easton has given presentations at many colleges and universities, including University of California, Santa Cruz; Bryn Mawr College; University of California, Berkeley; Mills College; Pomona College; and San Francisco State University. Her B.A. is from New College of California, 1975; MA in Education and Counseling from University of San Francisco, 1989; Licensed Marriage and Family Therapist, 1991, USF. Her bachelor's thesis was titled Sex is Nice and Pleasure is Good for You. She worked at the Haight Ashbury Free Clinic Psych Annex in 1968 as a psychedelic crisis guide, and she worked with San Francisco Sex Information for several years, beginning in 1972. She had a radio show on sexuality on KPOO San Francisco from 1973–1975 called "Get in Touch", as Mandy Jenkins. She has worked in battered women's centers and mental health clinics in Santa Cruz, Sunnyvale, and San Francisco. She was a member of the first Board of Directors of the Society of Janus in 1974, and is a life member. She is an inductee of the Society of Janus Hall of Fame. She also is or has been a member of other well-known BDSM organizations such as The Outcasts, Exiles, and Black Leather Wings, a radical faerie group. In 1969, Easton made the decision never to enter into a monogamous relationship again. Her books have been cited as fundamental to the polyamory movement. Works Nonfiction books Easton, Dossie and Janet W. Hardy, Radical Ecstasy: S/M Journeys to Transcendence. San Francisco: Greenery Press, 2004. Easton, Dossie and Janet W. Hardy, The New Topping Book. San Francisco: Greenery Press, 2003. . Easton, Dossie and Janet W. Hardy, The New Bottoming Book. San Francisco: Greenery Press, 2001. . Easton, Dossie and Catherine A. Liszt. When Someone You Love Is Kinky. San Francisco: Greenery Press, 2000. . Easton, Dossie and Catherine A. Liszt. The Ethical Slut. A Guide to Infinite Sexual Possibilities. San Francisco: Greenery Press, 1997. . .