Rabbi Dr. Seltzer has been a student and teacher of Kabbalah for almost 30 years while maintaining a Medical and Healing practice in Oriental Medicine, Naturopathy, Kabbalistic, and Energy Healing in Cape Town, South Africa. Currently, he is a Lecturer of Oriental Diagnosis in the School of Natural Medicine of the University of the Western Cape and practices from the Healing Cloister which he established with the goal of enabling seekers to realize their own deep personal inner healing and transformation. Rabbi Dr. Seltzer also is the director of the Mystical Cloister, a centre for the learning of Kabbalistic texts, Soul Journey Work, and Kabbalistic Meditation. He is currently working on a major manuscript entitled The Chaos of the Holy and the Healing of the God of Creation, focusing on Kabbalistic, Alchemical, Gnostic, and Jungian understandings of the esoteric traditions emerging from the Book of Jonah and its commentaries.