Jonathan Leeman is the editorial director at 9Marks, a ministry that helps church leaders build healthy churches. He teaches theology at several seminaries and has written a number of books on the church. He is also a research fellow with the Ethics and Religious Liberty Commission. He has degrees in political science and English, a master of science in political theory, a master of divinity, and a doctorate in political theology. Jonathan served for years as an elder at Capitol Hill Baptist Church in Washington, DC, but has since left to plant a nearby church. He lives in the DC area with his wife and four daughters.
Dr. Christopher J. H. Wright is Global Ambassador for the Langham Partnership International. His many books include Hearing the Message of Ecclesiastes, Hearing the Message of Daniel, Knowing Jesus through the Old Testament, Old Testament Ethics for the People of God, Deuteronomy (Understanding the Bible Commentary), Salvation Belongs to Our God, The Mission of God, The God I Don't Understand, and The Mission of God's People. Chris and his wife Liz, who have four adult children and eleven grandchildren, live in London, UK, and belong to All Souls Church, Langham Place.
John R. Franke (DPhil, Oxford) serves full-time as Theologian in Residence with Second Presbyterian Church of Indianapolis. He is also Professor of Religious Studies and Missiology for the Protestant Theological Faculty of Leuven, Belgium, and the General Coordinator for the Gospel and Our Culture Network, North America.
Peter J. Leithart (PhD, University of Cambridge) is President of Theopolis Institute and serves as Teacher at Trinity Presbyterian Church in Birmingham. He is the author of several books, including The Kingdom and the Power, Creator: A Theological Interpretation of Genesis 1, Defending Constantine: The Twilight of an Empire and the Dawn of Christendom, and Baptism: A Guide from Life to Death.
Stanley N. Gundry is executive vice president and editor-in-chief for the Zondervan Corporation. He has been an influential figure in the Evangelical Theological Society, serving as president of ETS and on its executive committee, and is adjunct professor of Historical Theology at Grand Rapids Theological Seminary. He is the author of seven books and has written many articles appearing in popular and academic periodicals.