John MacArthur is the pastor-teacher of Grace Community Church in Sun Valley, California, as well as an author, conference speaker, president of The Master’s College and Seminary, and featured teacher with the Grace to You media ministry.

In 1969, after graduating from Talbot Theological Seminary, John came to Grace Community Church. The emphasis of his pulpit ministry is the careful study and verse-by-verse exposition of the Bible, with special attention devoted to the historical and grammatical background behind each passage. Under John’s leadership, Grace Community Church's two morning worship services fill the 3,500-seat auditorium to capacity. Several thousand members participate every week in dozens of fellowship groups and training programs, most led by lay leaders and each dedicated to equipping members for ministry on local, national, and international levels.