Mantak Chia, world-famous Inner Alchemy and Chi Kung master, founded the Universal Healing Tao System in 1979 and has taught tens of thousands of students and trained instructors all over the world. The director of the Tao Garden Health Spa and Resort in northern Thailand, he is the author of more than 50 books, including Chi Self-Massage and Healing Light of the Tao. Christine Harkness-Giles is a certified Universal Healing Tao instructor, feng shui consultant, and astrologer. She teaches and consults in feng shui as part of the Feng Shui Research Centre network and leads Inner Alchemy Astrology classes in London, Brussels, Paris, and Hawaii.