Priesthood of Mendes and Council of Nine
Members of the Priesthood make up the Council of Nine, which is the ruling body of the Church of Satan, of which Magistra Templi Rex Blanche Barton is the chair-mistress...

The High Priest and Priestess act as administrative chiefs and primary public representatives; each position (High Priest and High Priestess) is held by a single individual at a time.

https://en.wikipedia.org/wiki/Church_of_Satan

Is The Church of Satan promoting gender equality with a high priestess