Bill Plotkin, PhD, has been a psychotherapist, research psychologist, rock musician, river runner, professor of psychology, and mountain-bike racer. As a research psychologist, he studied dreams and nonordinary states of consciousness achieved through meditation, biofeedback, and hypnosis. The founder and president of Animas Valley Institute, he has guided thousands of people through initiatory passages in nature since 1980. Currently an ecotherapist, depth psychologist, and wilderness guide, he leads a variety of experiential, nature-based individuation programs. His doctorate in psychology (1976) is from the University of Colorado at Boulder. Visit Bill Plotkin online at www.natureandthehumansoul.com.