Stephen Wellum is Professor of Christian Theology at The Southern Baptist Theological Seminary. He is the author of Kingdom through Covenant (Crossway). He is also the author of a forthcoming volume on Christology in the Foundations of Evangelical Theology series (Crossway). He is also writing a systematic theology that will be published around 2017 (B&H Academic).

Matthew Barrett is associate professor of Christian theology at Midwestern Baptist Theological Seminary, the executive editor of Credo Magazine, and director of The Center for Classical Theology. He is the author of Simply Trinity; None Greater; Canon, Covenant and Christology; and God's Word Alone. He is currently writing a systematic theology.