Alberto Villoldo has trained as a psychologist and medical anthropologist, and has studied the healing practices of the Amazon and the Andean shamans. Dr. Villoldo directs the Four Winds Society, where he trains individuals in the U.S. and Europe in the practice of shamanic energy medicine. He is the founder of the Light Body School, which has campuses in New York, California, Miami, and Germany. Dr. Villoldo has written numerous best-selling books, including Shaman, Healer, Sage; Grow a New Body; and Power Up Your Brain.