The Archbishop serves as spiritual and administrative leader and Witch-Father of the Church.  Elected by the the bishops from among their number, the Archbishop serves as “Bishop of the Bishops.”  As such, they are responsible for overseeing all ecclesiastical matters, and has and the obligation, as Chief Pastor, to minister to the bishops and dioceses within the Church.

The Archbishop is the Focus for Unity for the Church, and is therefore a unique focus for Luxumbrian unity. They call the meetings of the General Episcopal Synod, and serve as its President.

The Most Revd Barnabas Foster was enthroned on 30 May 2019, the 20th year of his episcopacy. He is the 1st Archbishop of the Church of Light and Shadow.