I have had the honor and privilege of knowing Chick and Sandra Tabatha Cicero for many years.
The Ciceros
They refer to themselves as "Senior Adepts of the Hermetic Order of the Golden Dawn," which is sort of like Johnny Depp calling himself just a guitar player (he does play guitar, but that's not his major contribution by far). Indeed, Chic and Sandra have introduced more people to the Hermetic Order of the Golden Dawn and the system of that group with their many books and international workshops than perhaps anyone since Israel Regardie.
Just some of their books include The Essential Golden Dawn, and Self-Initiation into the Golden Dawn Tradition.
Their work