Frater Yechidah has written extensively on occult topics, including articles for Hidden Spirit, Hermetic Virtues, and The Gnostic. He is the author of Enochian Magic in Theory and Enochian Magic in Practice.
He has been involved with a number of magical groups, including the Order of the Sons and Daughters of Light and the Hermetic Order of the Golden Dawn, and he is currently a member of the Ancient and Honourable Order of the Golden Dawn.
He also blogs regularly about topics related to the Golden Dawn and Gnosticism. His blog Mishkan ha-Echad covers topics such as: testing spirits, Enochian magic in practice, John Dee's obsidian mirror, the horns of Metatron and Sandalphon, Rosicrucianism, lamens, elementals, and more.