Wayne Grudem (PhD, University of Cambridge) is Distinguished Research Professor Emeritus of Theology and Biblical Studies at Phoenix Seminary in Phoenix, Arizona. He is the author of more than twenty-five books, including Bible Doctrine and Christian Beliefs.

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.

Mark Dever (PhD, Cambridge University) is the senior pastor of Capitol Hill Baptist Church in Washington, DC, and president of 9Marks (9Marks.org). Dever has authored over a dozen books and speaks at conferences nationwide. He lives in Washington, DC, with his wife, Connie, and they have two adult children.

Dennis E. Johnson (PhD, Fuller Theological Seminary) is professor emeritus of practical theology at Westminster Seminary California and assistant pastor of Westminster Presbyterian Church in Dayton, Tennessee. He is the author of several books and contributed to the ESV Study Bible and the ESV Expository Commentary. Dennis and his wife, Jane, live in Dayton and have four children and sixteen grandchildren.

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.

Vern S. Poythress (PhD, Harvard University; ThD, University of Stellenbosch) is Distinguished Professor of New Testament, Biblical Interpretation, and Systematic Theology at Westminster Theological Seminary in Philadelphia, Pennsylvania, where he has taught for four decades. In addition to earning six academic degrees, he is the author of numerous books and articles on biblical interpretation, language, and science.

Jay Sklar (PhD, University of Gloucestershire) is professor of Old Testament and vice president of academics at Covenant Theological Seminary.

Thomas R. Schreiner (PhD, Fuller Theological Seminary) is the James Buchanan Harrison Professor of New Testament Interpretation and associate dean of the School of Theology at the Southern Baptist Theological Seminary.