Robert A. Peterson (PhD, Drew University) is a writer and theologian. He taught for many years at various theological seminaries and has written or edited over thirty books.

Gerald Bray (DLitt, University of Paris-Sorbonne) is research professor at Beeson Divinity School and director of research for the Latimer Trust. He is a prolific writer and has authored or edited numerous books, including The Doctrine of God; Biblical Interpretation; and God Is Love.

Andreas J. Köstenberger (PhD, Trinity Evangelical Divinity School) is the theologian in residence at Fellowship Raleigh, a cofounder of Biblical Foundations, and the author, editor, or translator of over sixty books. He and his wife, Marny, have four grown children and live in North Carolina.

Stephen J. Nichols (PhD, Westminster Theological Seminary) serves as the president of Reformation Bible College and chief academic officer of Ligonier Ministries. He has written over twenty books and is an editor of the Theologians on the Christian Life series. He also hosts the weekly podcast 5 Minutes in Church History.

Ray Ortlund is the president of Renewal Ministries, the pastor to pastors at Immanuel Church in Nashville, and a canon theologian with the Anglican Church in North America. He is the author of several books, including Marriage and the Mystery of the Gospel; The Death of Porn; and the Preaching the Word commentaries on Isaiah and Proverbs. He is also a contributor to the ESV Study Bible. Ray and his wife, Jani, have been married for fifty years.

Stephen J. Wellum (PhD, Trinity Evangelical Divinity School) is professor of Christian theology at the Southern Baptist Theological Seminary in Louisville, Kentucky, and editor of The Southern Baptist Journal of Theology. Stephen and his wife, Karen, have five adult children.

Christopher W. Morgan (PhD, Mid-America Baptist Theological Seminary) is a professor of theology and the dean of the School of Christian Ministries at California Baptist University. He is also the lead pastor of Immanuel Baptist Church in Highland, CA. He is the author or editor of over twenty books, including several volumes in the Theology in Community series.