John MacArthur is the pastor-teacher of Grace Community Church in Sun Valley, California, where he has served since 1969. He is known around the world for his verse-by-verse expository preaching and his pulpit ministry via his daily radio program, Grace to You. He has also written or edited nearly four hundred books and study guides. MacArthur serves as the president of the Master's College and Seminary. He and his wife, Patricia, live in Southern California and have four grown children. Richard Mayhue (ThD, Grace Theological Seminary) served at the Master's Seminary from 1989 to 2016 as the dean of the seminary, research professor of theology, and executive vice president. He has authored or edited more than thirty books, including Biblical Doctrine.