I'm an Episcopalian. Next year the Church will elect a new Presiding Bishop. Here is a very readable outline of the history of that ecclesiastical office:
The Office of Public Affairs, The Episcopal Church, "Nominating committee offers essay on history of the office of presiding bishop," available at https://www.episcopalchurch.org/publicaffairs/nominating-committee-offers-essay-on-history-of-the-office-of-presiding-bishop/ (March 17, 2023).