Stanislav Grof

Stanislav Grof, MD, is a psychiatrist with more than 50 years of experience researching non-ordinary states of consciousness. He is one of the founders and chief theoreticians of transpersonal psychology, and founder of the International Transpersonal Association. He is the author of many books, including Holotropic Breathwork: A New Approach to Self-Exploration and Therapy (with Christina Grof), When the Impossible Happens, Psychology of the Future, The Cosmic Game, and The Ultimate Journey.