Richard Tarnas, Ph.D., is professor of psychology and cultural history at the California Institute of Integral Studies, where he founded the graduate program in Philosophy, Cosmology, and Consciousness. He teaches courses in depth psychology, the history of philosophy, and religious evolution. He frequently lectures on archetypal studies at Pacifica Graduate Institute and was formerly the director of programs and education at Esalen. The author of two books, The Passion of the Western Mind and Cosmos and Psyche, he is a past president of the International Transpersonal Association and served on the Board of Governors for the C.G. Jung Institute of San Francisco.