Iain M. Duguid (PhD, University of Cambridge) is professor of Old Testament at Westminster Theological Seminary. He also serves as pastor of Christ Presbyterian Church in Glenside, Pennsylvania.
James M. Hamilton Jr. (PhD, The Southern Baptist Theological Seminary) is professor of biblical theology at the Southern Baptist Theological Seminary and preaching pastor at Kenwood Baptist Church.
Jay Sklar (PhD, University of Gloucestershire) is professor of Old Testament and vice president of academics at Covenant Theological Seminary.
Eric Ortlund (PhD, University of Edinburgh) teaches at Oak Hill College in London, England. He previously taught Old Testament at Briercrest College and Seminary in Saskatchewan, Canada, for ten years. He and his wife, Erin, have two children.
Douglas Sean O’Donnell (PhD, University of Aberdeen) is the senior vice president of Bible editorial at Crossway. Over the past twenty-five years he has helped train people around the world to read and teach the Bible clearly. He has pastored several churches, served as a professor, and authored or edited over twenty books, including commentaries, Bible studies, children’s books, and a children’s curriculum. He also wrote The Pastor’s Book with R. Kent Hughes and The Beauty and Power of Biblical Exposition with Leland Ryken.