Mantak Chia is the world's best-known teacher of the Taoist arts, from Tai Chi to Taoist sexuality. He is the author of the bestsellers The Multi-Orgasmic Man and The Multi-Orgasmic Couple. He lives in Thailand and teaches in the United States and around the world.
Rachel Carlton Abrams, MD, is a family practice physician who specializes in complementary medicine as well as women's health and sexuality. The coauthor of The Multi-Orgasmic Couple, she lives in northern California.