Michael LeFebvre (PhD, University of Aberdeen) is the pastor of Christ Church Reformed Presbyterian in Brownsburg, Indiana, and an adjunct professor of Old Testament at Reformed Presbyterian Theological Seminary in Pittsburgh, Pennsylvania. He serves as a fellow with the Center for Pastor Theologians. Michael and his wife, Heather, have five children and live in Indianapolis, Indiana.

J. I. Packer (1926–2020) served as the Board of Governors Professor of Theology at Regent College. He authored numerous books, including the classic bestseller Knowing God. Packer also served as general editor for the English Standard Version Bible and as theological editor for the ESV Study Bible.

Lane T. Dennis (PhD, Northwestern University) is the former president and CEO of Crossway. Before joining Crossway in 1974, he served as a pastor in campus ministry at the University of Michigan (Sault Ste. Marie) and as the managing director of Verlag Grosse Freude in Switzerland. He is the author and/or editor of three books, including the Gold Medallion-award-winning book Letters of Francis A. Schaeffer, and he is the former chairman of the Evangelical Christian Publishers Association. Dennis serves as the chairman of the ESV (English Standard Version) Bible Translation Oversight Committee and as the executive editor of the ESV Study Bible. Lane and his wife, Ebeth, live in Wheaton, Illinois.

Dane C. Ortlund (PhD, Wheaton College) serves as senior pastor of Naperville Presbyterian Church in Naperville, Illinois. He is the author of Gentle and Lowly: The Heart of Christ for Sinners and Sufferers and Deeper: Real Change for Real Sinners. Dane and his wife, Stacey, have five children.