Gerd Ziegler (born February 8, 1951) is a therapist specializing in humanistic and spiritual therapy. He studied psychology, political science, theater, and religious studies at Freie Universität Berlin and also worked with encounter groups, gestalt, psychodrama, neo-Reichian bodywork, and meditation. He studied at the Boyesen Institute in London from 1976-1978. In 1979, his path led him to India, where he spent two years studying and living at the Shree Rajneesh Ashram and Rajneesh International University.