Gideon Dreyer retired Clinical Psychologist, and Psychotherapist within the school of Anthroposophical Psychology. Taught at the University of Cape Town, and the University of Western Cape, South Africa and was invited on several occasions to teach at Esalen in California. He was the Director of the Kosmos, in Amsterdam; Head of clinical services at Arta, an institute for long-term addicts, and held private practice for many years.