(born February 13, 1939) is an American theologian, author, and pastor. He is the founder and chairman of Ligonier Ministries. Currently, Sproul is Senior Minister of Preaching and Teaching at Saint Andrew’s, a congregation in Sanford, Florida. He was ordained as an elder in the United Presbyterian Church in the USA in 1965, but left that denomination around 1975 and joined the Presbyterian Church in America. Sproul has written more than 60 books and many articles for evangelical publications and has been an ardent advocate of Calvinism in his many print, audio, and video publications.