Frater D (Deimne) is an occultist based in the West of Ireland, traversing the dual paths of ceremonial magic and the Irish magical tradition. He has been trained in the Irish tradition through Ord Thoil Eireanach (the Irish Order of Thelema) before going on to work under the auspices of Clan Dord Fiann (Family Deers Cry) and Ord Craobh Airgead (The Order of the Silver Branch). He has also worked with ceremonial magic through Thelemic orders including the A.'.A.'. and the Golden Dawn tradition through the now sadly defunct Ancient and Honourable Order of the Golden Dawn. Since then he has been working with the Sub Rosa Circle, a geographical experiment in peer to per hermetic and qabalistic learning, and is involved in reviving Golden Dawn work in Ireland. He has been published in the Golden Dawn journal The Light Extended, and several other places.