The Office of the Pontiff, also known as the Papacy, is the highest office in the Catholic Church. It is held by the Pope, who is the leader of the Church and its spiritual head. The Pope is responsible for the governance of the Church, its doctrine, and its liturgy. He is also the leader of the College of Cardinals, which is the governing body of the Church. The Office of the Pontiff is a powerful and influential position that has been held by many great leaders throughout history.