Michael Reeves (PhD, King's College, London) is president and professor of theology at Union School of Theology in Oxford. He is the author of Delighting in the Trinity, Rejoicing in Christ, and The Unquenchable Flame: Discovering the Heart of the Reformation. Justin Taylor (PhD, The Southern Baptist Theological Seminary) is the executive vice president of book publishing and book publisher at Crossway. He has edited and contributed to several books including A God-Entranced Vision of All Things and Reclaiming the Center, and he blogs at Between Two Worlds-hosted by the Gospel Coalition. Stephen J. Nichols (PhD, Westminster Theological Seminary) serves as the president of Reformation Bible College and chief academic officer of Ligonier Ministries. He is an editor of the Theologians on the Christian Life series and also hosts the weekly podcast 5 Minutes in Church History.