John Owen (1616-1683) was vice chancellor of Oxford University and served as advisor and chaplain to Oliver Cromwell. Among the most learned and active of the Puritans in seventeenth-century Europe, and known as the "theologian's theologian," he was accomplished both in doctrine and practical theology.

Kelly M. Kapic (PhD, King's College, University of London) is professor of theological studies at Covenant College, where he has taught for over fifteen years. Kapic has written and edited over ten books, focusing on the areas of systematic, historical, and practical theology. Kapic has also published articles in various journals and books. Kapic and his wife, Tabitha, live on Lookout Mountain with their two children.

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.

Kevin Vanhoozer (PhD, Cambridge University) is research professor of systematic theology at Trinity Evangelical Divinity School. He is the author of several books and serves on the editorial board of the International Journal of Systematic Theology and the Journal of Theological Interpretation.