Dr. Metzner has a B.A. from Oxford University and a Ph.D. in clinical psychology from Harvard University. He worked with Timothy Leary and Richard Alpert (later Ram Dass) on the Harvard University Psilocybin Projects. He co-wrote The Psychedelic Experience, and was editor of The Psychedelic Review. During the 1970s, Ralph spent 10 years in the study and practice of Agni Yoga, a meditative system of working with light-fire life-energies. He wrote  Maps of Consciousness (1971), one of the earliest attempts at a comparative cartography of consciousness; and Know Your Type,  a comparative survey of personality typologies, ancient and modern.  He started teaching East-West Psychology at the California Institute of Asian (later Integral) Studies,  in 1975, where he was also Academic Dean for ten years, during the 1980s, and where he is still Professor. He currently teaches courses there on “Altered States of Consciousness” and “Developing Ecological Consciousness”. His book The Well of Remembrance (1994) is an exploration of the shamanic and divinatory elements in Nordic-Germanic mythology. His book The Unfolding Self (1998)  is an explication of the metaphoric imagery of transformation present in the mystical and mythical literatures of East and West.  Green Psychology - Transforming Our Relationship to the Earth (1999) probes the historical  causes and possible remedies of the human dissociation from the natural world. Ralph has also published two edited collections  on the science and the phenomenology of Ayahuasca (Amazonian Vine of Spirits) and Teonanácatl (Sacred Mushroom of Visions) which will appear in new editions in 2005. He is founder and president of the Green Earth Foundation, an educational organization dedicated to “harmonizing humanity with Earth and with Spirit”. He has developed a training program in Alchemical Divination practices – methods for tuning in to inner sources of knowledge and healing. His website is Green Earth Foundation He has also produced a CD of original songs called Bardo Blues.