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, and is the author of Yoni Massage. Jürgen Becker gained a completely new level of sexual consciousness by participating in a lingam-yoni massage group led by Michaela Riedl. Inspired to share his experiences he suggested to Michaela that they write this book together. He runs a sexual counseling practice with his partner near Munich. Less