Dr. Derek W.H. Thomas is a visiting professor at Reformation Bible College. He is also senior minister of First Presbyterian Church in Columbia, S.C., a Ligonier Ministries teaching fellow, and Chancellor’s Professor of Systematic and Pastoral Theology at Reformed Theological Seminary. He earned his M.Div. from Reformed Theological Seminary in Jackson, Miss., and his Ph.D. from the University of Wales. He is author of many books, including Let Us Worship God.