Reginald A. Ray is a professor of Buddhist studies at Naropa University in Boulder, Colorado. He received his Ph.D. in the history of religions from the University of Chicago, specializing in Indian and Tibetan Buddhism. An acharya in the lineage of Chögyam Trungpa, he serves as teacher-in-residence at the Shambhala Mountain Center in Red Feather Lakes, Colorado. He is the author of "Buddhist Saints in India," "Indestructible Truth," and "Secret of the Vajra World."