Mantak Chia, world-famous Inner Alchemy and Qi Gong master, founded the Universal Healing Tao System in 1979. The director of the Tao Garden Health Spa and Resort in northern Thailand, he is the author of 40 books, including Healing Light of the Tao and Taoist Shaman. William U. Wei is a senior instructor of the Universal Healing Tao and has taught with Master Chia in more than 30 countries. The coauthor of Living in the Tao and Sexual Reflexology, he lives in Milwaukie, Oregon.