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. Andreas J. Köstenberger (PhD, Trinity Evangelical Divinity School) is the theologian in residence at Fellowship Raleigh, a cofounder of Biblical Foundations, a host at Oak Tree Cottage, and the author, editor, or translator of over sixty books. He and his wife, Marny, have four grown children and live in North Carolina. Alistair Begg serves as the senior pastor of Parkside Church in Chagrin Falls, Ohio. He has been in pastoral ministry since 1975 and served eight years in Scotland at both Charlotte Chapel in Edinburgh and Hamilton Baptist Church. He has written several books and is heard daily on the radio program Truth For Life. He and his wife, Susan, have three grown children and eight grandchildren. Jon Nielson (DMin, Trinity Evangelical Divinity School) serves as the senior pastor of Christ Presbyterian Church of Wheaton in Wheaton, Illinois. He is coeditor of the book Gospel-Centered Youth Ministry and author of the Theology Basics series. He and his wife, Jeanne, have four children. 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. David Gibson (PhD, University of Aberdeen) is minister of Trinity Church in Aberdeen, Scotland. He is a coeditor of From Heaven He Came and Sought Her, and his publications include Living Life Backward; Radically Whole; and The Lord of Psalm 23. He is married to Angela, and they have four children. Sam Allberry is the associate pastor at Immanuel Nashville. He is the author of various books, including One with My Lord; What God Has to Say about Our Bodies; and Is God Anti-Gay?, and the cohost of the podcast You’re Not Crazy: Gospel Sanity for Young Pastors. He is a fellow at the Keller Center for Cultural Apologetics. 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. Iain M. Duguid (PhD, University of Cambridge) is professor of Old Testament at Westminster Theological Seminary. He has planted churches in England, California, and Pennsylvania. He is the author of numerous commentaries and articles. Champ Thornton (PhD, Midwestern Baptist Theological Seminary) is the director of children and family resources at Crossway and the author of numerous books for kids and families. He and his wife, Robben, live in Newark, Delaware, and have three children. You can learn more about Champ at champthornton.com. Tim Chester (PhD, University of Wales) is director of theological studies and lecturer in spiritual formation at Crosslands. He has over 25 years of experience in pastoral ministry, as well as being the author or coauthor of over forty books, including A Meal with Jesus; Reforming Joy; and, with Michael Reeves, Why the Reformation Still Matters. Sam Storms (PhD, University of Texas at Dallas) is the founder and president of Enjoying God Ministries and serves on the council of the Gospel Coalition. Sam served as visiting associate professor of theology at Wheaton College and is a past president of the Evangelical Theological Society. He is the author or editor of 37 books and blogs regularly at SamStorms.org. Sam and his wife, Ann, are the parents of two daughters and grandparents of four. Kevin P. Emmert (PhD, London School of Theology) is an academic book editor at Crossway and the author of John Calvin and the Righteousness of Works. He is married to Ashley, and they have three sons: Jack, Charlie, and Noah. Matthew Newkirk (PhD, Wheaton College) is President and Professor of Old Testament at Christ Bible Seminary in Nagoya, Japan. He and his wife, Caroline, have five children and blog at NewkirksinJapan.com. Douglas Sean O’Donnell (PhD, University of Aberdeen) is the senior vice president of Bible and church resources editorial at Crossway and is a member of the ESV Translation Oversight Committee and a Senior Fellow of the Center for Pastor Theologians. He has written over twenty books, including commentaries, Bible studies, devotionals, and a children’s curriculum. In addition to his writing, he contributes editorially to several major commentary series, including Crossway's Commentary on the Greek New Testament,  the Concise Bible Commentary, the Conversational Commentary, and the Reformed Exegetical Theological Commentary on Scripture. ?He is the general editor of the ?Knowing the Bible ?series and the liturgies and Scripture editor of The ?Sing! Hymnal. Christopher Ash is writer in residence at Tyndale House in Cambridge. He previously served as a pastor and church planter and as the director of the Proclamation Trust Cornhill Training Course in London. He and his wife, Carolyn, are members of a church in Cambridge, and they have four children and numerous grandchildren. Ryan Patrick O’Dowd (PhD, University of Liverpool) is a pastor at Bread of Life Anglican Church of Ithaca, New York, and a senior fellow at Chesterton House, Cornell University. He is the author of The Wisdom of Torah and coauthor of Old Testament Wisdom Literature.  Michael Lawrence (PhD, Cambridge University; MDiv, Gordon-Conwell Theological Seminary) serves as the lead pastor of Hinson Baptist Church in Portland, Oregon. He is the author of Biblical Theology in the Life of the Church. Michael LeFebvre (PhD, University of Aberdeen) is an ordained Presbyterian minister and an Old Testament scholar. He is also a fellow with the Center for Pastor Theologians. Michael and his wife, Heather, have five children and live in Indianapolis, Indiana. Jeremy Treat (PhD, Wheaton College) is a pastor for preaching and vision at Reality LA, a church in Los Angeles, California. He is also an adjunct professor of theology at Biola University and is the author of Seek First: How the Kingdom of God Changes Everything and The Crucified King: Atonement and Kingdom in Biblical and Systematic Theology.  Jason S. DeRouchie (PhD, The Southern Baptist Theological Seminary) is research professor of Old Testament and biblical theology at Midwestern Baptist Theological Seminary and Spurgeon College. He is an endowed chair at Midwestern Baptist Theological Seminary and a content developer and global trainer for Hands to the Plow Ministries. Murray J. Smith (PhD, Macquarie University) is lecturer in biblical theology and exegesis at Christ College, Sydney. He is the author of several books and articles. Murray serves as general editor for New Testament of the Reformed Exegetical and Theological Commentary on Scripture, as coeditor of the series We Believe: Studies in Reformed Biblical Doctrine, and as cohost of the Down Under Theology podcast. Edward W. Klink III (PhD, University of St. Andrews) is the senior pastor of Hope Evangelical Free Church in Roscoe, Illinois. He previously served as associate professor of New Testament at Talbot School of Theology, Biola University. He is the author of several books, including The Local Church; Understanding Biblical Theology; and John, a volume in the Zondervan Exegetical Commentary on the New Testament. Patrick Schreiner (PhD, The Southern Baptist Theological Seminary) is associate professor of New Testament and biblical theology and endowed chair at Midwestern Baptist Theological Seminary in Kansas City, Missouri. He is the author of The Kingdom of God and the Glory of the Cross; The Mission of the Triune God; The Transfiguration of Christ; The Ascension of Christ; and The Visual Word. Jared C. Wilson is assistant professor of pastoral ministry at Midwestern Baptist Theological Seminary and director of the Pastoral Training Center at Liberty Baptist Church in Kansas City, Missouri. He is a popular author and conference speaker, and also blogs regularly at Gospel Driven Church, hosted by the Gospel Coalition. His books include Gospel Wakefulness; The Storytelling God; and The Wonder-Working God. Robert L. Plummer (PhD, The Southern Baptist Theological Seminary) is the Collin and Evelyn Aikman professor of biblical studies at the Southern Baptist Theological Seminary and host of the popular screencast at DailyDoseOfGreek.com. He has authored, coauthored, or edited numerous books, including 40 Questions About Interpreting the Bible; Beginning with New Testament Greek; Greek for Life; and Held in Honor. Erik Thoennes (PhD, Trinity Evangelical Divinity School) is professor and department chair of biblical and theological studies at Biola University and a pastor at Grace Evangelical Free Church in La Mirada, California. Previously he taught at Wheaton College and Trinity Evangelical Divinity School. He is the author of numerous articles and several books. Erik lives with his wife, Donna, and their four children. Christopher A. Beetham (PhD, Wheaton College) is senior editor of biblical languages, textbooks, and reference tools at Zondervan Academic. Previously he taught for a decade at the Evangelical Theological College and the Ethiopian Graduate School of Theology, both in Addis Ababa, Ethiopia. He is the author of Echoes of Scripture in the Letter of Paul to the Colossians and Colossians and Philemon, and editor of The Concise New International Dictionary of New Testament Theology and Exegesis.   Brad Wetherell (DMin) is senior pastor of the Orchard, a multisite church in the northwest suburbs of Chicago. Brad also serves on the steering committee of the Gospel Coalition’s Chicago regional chapter, which gathers pastors for encouragement, fellowship, and prayer. Brad and his wife, Kristen, have three children. Daniel K. Eng is Assistant Professor of New Testament Language and Literature at Western Seminary in Portland, Oregon. He has a D.Min. from Talbot School of Theology and a Ph.D. from the University of Cambridge. He is the author of Eschatological Approval: The Structure and Unifying Motif of James and the editor of Faithful Ministry Through Chinese Churches in America. He lives in Portland with his wife Sanjung and their daughters, Joanna, Josie, and Jessica. Juan R. Sanchez (PhD, The Southern Baptist Theological Seminary) is the senior pastor of High Pointe Baptist Church in Austin, Texas, and the cofounder and president of Coalición. He is the author of The Leadership Formula: Develop the Next Generation of Leaders in the Church and a contributor to Faithful Endurance. 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. Dan Doriani (PhD, Westminster Theological Seminary) is a former pastor and currently serves as professor of biblical and systematic theology at Covenant Theological Seminary, where he previously served as academic dean or vice president for fifteen years. Dan has been involved in several planning and study committees at the presbytery level in both the Presbyterian Church in America (PCA) and the Evangelical Presbyterian Church (EPC). Dan lives with his wife, Debbie, in Chesterfield, Missouri, and has three grown daughters. Mark Vroegop (MDiv, Grand Rapids Theological Seminary) is the president of the Gospel Coalition and the author of the ECPA 2020 Christian Book of the Year Dark Clouds, Deep Mercy: Discovering the Grace of Lament. He’s married to Sarah, and they have four children and three daughters-in-law. David Mathis serves as senior teacher and executive editor at desiringGod.org; a pastor at Cities Church in Saint Paul, Minnesota; and an adjunct professor at Bethlehem College & Seminary in Minneapolis. He and his wife, Megan, have four children. He is the author of several books, including Habits of Grace: Enjoying Jesus through the Spiritual Disciplines. Jason C. Meyer (PhD, The Southern Baptist Theological Seminary) is the lead pastor at Urban Refuge Church in Minneapolis. He is the author of Preaching: A Biblical Theology and a commentary on Philippians in the ESV Expository Commentary. Drew Hunter (MA, Wheaton College) is the teaching pastor at Zionsville Fellowship in Zionsville, Indiana. He is the author of Made for Friendship and the Isaiah and Matthew volumes in the Knowing the Bible series. Drew and his wife, Christina, live in Zionsville, Indiana, and have four children. Brian A. DeVries (PhD, Southern Baptist Theological Seminary) is the president of Mukhanyo Theological College in South Africa and adjunct professor of missiology at Puritan Reformed Theological Seminary. DeVries has led three multiethnic church-planting teams in South Africa and currently serves as the pastor of Grace Reformed Church in Pretoria. He and his wife, Lanae, are blessed with five children.