Michael Richardson is a teacher of t'ai chi, practitioner of shiatsu, and teacher of the Gurdjieff Sacred Dances. He is a disciple of tantric master Osho and, along with his partner, has been teaching the art of Tantra in weeklong "Making Love Retreats for Couples" since 1993. He lives in Switzerland.Michaela Riedl studied tantric massage at the Diamond Lotus Institute in Berlin and then refined the yoni and lingam massage techniques developed by Annie Sprinkle and Joseph Kramer, founder of the Erospirit Research Institute in California. She directs the AnandaWave Massage Center in Cologne, Germany, which offers workshops in tantric massage as well as seminars and counseling for… experiencing sexuality in a healing way.