Derek W. H. Thomas is a Reformed pastor and theologian known for his teaching, writing and editorial work. He retired in December, 2023 as the senior pastor of First Presbyterian Church of Columbia, South Carolina. He is currently serving as interim preacher at First Presbyterian Church in Yazoo City, MS. He continues as distinguished visiting professor of systematic and historical theology at Reformed Theological Seminary in Atlanta, Georgia.
Thomas is originally from Wales. In 1978, he completed his ministerial training from Reformed Theological Seminary in the US before moving on to receive his PhD from the University of Wales, Lampeter, with a thesis on Calvin's preaching on the Book of Job. He was ordained into the Evangelical Presbyterian Church of Ireland, and served as a pastor of Stranmillis Evangelical Presbyterian Church in Belfast, Northern Ireland for 17 years, before returning to the United States in 1996 to serve as the minister of teaching at First Presbyterian Church in Jackson, Mississippi.[1] In 2011, he became associate pastor at First Presbyterian Church in Columbia, South Carolina,[2] and was appointed senior pastor on August 11, 2013.[3] He has written and edited more than 27 books.[1] He has also produced a volume for the Biblical commentary series published by Banner of Truth Trust and Evangelical Press. In 2004, Derek Thomas became editorial director for The Alliance of Confessing Evangelicals and the editor of its e-zine, Reformation 21.