The head of The Church of Jesus Christ of Latter-day Saints ( Mormons) is the President of the Church, whom the members revere as the prophet, seer, and revelator in a biblical sense. He is entitled to receive revelation from God to guide the Church and the world as His mouthpiece on the earth. Other general, area, and local authorities of the Church include apostles, Seventies, stake presidents, bishops, and other quorum presidents.
The President of the Church serves as such until death, after which the Quorum of the Twelve Apostles will meet, pray, and under the leadership of the senior apostle, receive revelation as to whom the next prophet should be. Although not specified by revelation, the senior apostle has historically become the new President of the Church. (This seniority is based on the date when the individual was called as an apostle, not their calendar age.)