John Fullerton MacArthur, Jr. (born June 19, 1939) is an American pastor and author known for his internationally syndicated radio program Grace to You. He has been the pastor-teacher of Grace Community Church in Los Angeles, California since February 9, 1969 and also currently is the president of The Master's College in Newhall, California and The Master's Seminary in Los Angeles, California.Theologically, MacArthur is considered a Calvinist, and a strong proponent of expository preaching.