A student of several Taoist masters, Mantak Chia founded the Healing Tao System in North America in 1979 and developed it worldwide as European Tao Yoga and Universal Healing Tao. He has taught and certified tens of thousands of students and instructors from all over the world and tours the United States annually, giving workshops and lectures. He is the director of the Tao Garden Health Spa and the Universal Healing Tao training center in northern Thailand and is the author of 50 books, including Taoist Foreplay, Inner Smile, Cosmic Fusion, Sexual Reflexology, and the bestselling The Multi-Orgasmic Man.
William U. Wei began his studies with Mantak Chia in the early 1980s and is a Senior Instructor of the Universal Tao who has taught with Mantak Chia in over 30 countries. He is the coauthor of Living in the Tao and Sexual Reflexology.