Deane H. Shapiro, Jr. is professor emeritus of psychiatry and human behavior, School of Medicine at the University of California, Irvine. He is internationally recognized as one of the world's foremost authorities on the clinical, therapeutic and medical health care applications of meditation and his research and writing on meditation and self-control have been requested by universities and medical schools throughout the world.
Roger N. Walsh is a psychiatrist on the Faculty of the School of Medicine at the University of California at Irvine. He is the author of Toward an Ecology of Brain and Beyond Ego: Readings in Transpersonal Psychology. His research interests include Asian philosophies and religions, ecology, meditation, and transpersonal psychology.