Mark Ashton (MA, Oxford University; MA, Cambridge University) is vicar of the Round Church (Anglican) at St. Andrew the Great, Cambridge, England.
Kent Hughes was in pastoral ministry for 41 years, the last 27 as senior pastor of College Church in Wheaton. He earned his BA from Whittier College (history), an MDiv from Talbot Seminary and a DMin from Trinity Evangelical Divinity School. He and his wife, Barbara, have four children and 21 grandchildren. He retired from his pulpit ministry at College Church and was given the title Senior Pastor Emeritus in December 2006. He continues to be involved in training pastors biblical exposition and preaching.
Timothy Keller is the New York Times bestselling author of The Reason for God, The Meaning of Marriage, The Prodigal God, Jesus the King, and The Prodigal Prophet.
D. A. Carson is research professor of New Testament at Trinity Evangelical Divinity School in Deerfield, Illinois. He has been at Trinity since 1978. Carson came to Trinity from the faculty of Northwest Baptist Theological Seminary in Vancouver, British Columbia, where he also served for two years as academic dean. He has served as assistant pastor and pastor and has done itinerant ministry in Canada and the United Kingdom. Carson received the Bachelor of Science in chemistry from McGill University, the Master of Divinity from Central Baptist Seminary in Toronto, and the Doctor of Philosophy in New Testament from the University of Cambridge. Carson is an active guest lecturer in academic and church settings around the world. He has written or edited about sixty books. He is a founding member and currently president of The Gospel Coalition.