Roger Walsh, MD, Ph.D., obtained degrees in psychology, physiology, neuroscience and medicine, and then passed clinical licensing exams in psychology, psychiatry and medicine. He is currently professor of psychiatry, philosophy, anthropology and religious studies at the University of California at Irvine. He has been a student, researcher and teacher of contemplative traditions for more than twenty-five years. His writings and research have received over two dozen national and international awards and honors, while his teaching has received one national and six university awards. His related books include Paths Beyond Ego: The Transpersonal Vision, and Essential Spirituality: The Seven Central Practices.