Ralph Metzner, Ph.D., formerly the Institute's academic dean (1979-88) and academic vice-president (1988-89), has taught at the Institute in the psychology programs since 1975. He has a Ph.D. in Clinical Psychology from Harvard University (1962) and a B.A. from Oxford University. He has been exploring states of consciousness and transformational practices for over thirty years. He is a psychotherapist as well as a professor at CIIS, where his courses revolve around ecopsychology and ecological worldviews. He is the author of several books, including The Psychedelic Experience (with Leary and Alpert, 1964), Maps of Consciousness (1971), Know Your Type (1978), Opening to Inner Light (1986) and The Well of Remembrance - Rediscovering the Earth Wisdom Mythology of Northern Europe (Shambhala, 1994). He is co-founder and president of the Green Earth Foundation, an educational organization devoted to the healing and harmonizing of the relations between humanity and the Earth. His most recently published work is The Unfolding Self. Forthcoming books include Green Psychology (Inner Traditions International, 1999) and Ayahuasca - Human Consciousness and the Spirits of Nature (Thunder's Mouth Press, 1999).