David Gibson (PhD, University of Aberdeen) is minister of Trinity Church in Aberdeen, Scotland. Previously he served as a staff worker for the Religious and Theological Studies Fellowship (part of UCCF) and as an assistant minister at High Church, Hilton, Aberdeen. Gibson is also a widely published author of articles and books such as Rich: The Reality of Encountering Jesus and Reading the Decree: Exegesis, Election and Christology in Calvin and Barth.
Jonathan Gibson (PhD, Cambridge University) is associate minister at Cambridge Presbyterian Church and assistant professor of Old Testament at Westminster Theological Seminary. He is the author of historical and biblical articles in Themelios and Journal of Biblical Literature and regularly speaks at conferences in Australia and South Africa. Jonathan and his wife, Jackie, have two children.
J. I. Packer (DPhil, Oxford University) serves as the Board of Governors' Professor of Theology at Regent College. He is the author of numerous books, including the classic best-seller Knowing God. Packer served as general editor for the English Standard Version Bible and as theological editor for the ESV Study Bible.
Sinclair B. Ferguson (PhD, University of Aberdeen) is Chancellor's Professor of Systematic Theology at Reformed Theological Seminary and the former senior minister of the First Presbyterian Church in Columbia, South Carolina. He is the author of several books, the most recent being By Grace Alone: How the Grace of God Amazes Me. Sinclair and his wife, Dorothy, have four grown children.
Paul Helm (MA, Worcester College) is a teaching fellow at Regent College in Vancouver. He previously taught philosophy at the University of Liverpool and was was the J. I. Packer Chair of Theology at Regent College. He also publishes online at Helm's Deep. Paul is married to Angela, and they have five children.
Robert Letham (PhD, University of Aberdeen) is professor of systematic and historical theology at Union School of Theology. A Presbyterian minister with twenty-five years of pastoral experience, he is the author of books such as The Work of Christ; The Holy Trinity; and Union with Christ, and a range of articles published in encyclopedias and journals.
John Piper (DTheol, University of Munich) is the founder and teacher of desiringGod.org and the chancellor of Bethlehem College & Seminary. He served for thirty-three years as the senior pastor of Bethlehem Baptist Church in Minneapolis, Minnesota, and is the author of more than fifty books, including Desiring God; Don't Waste Your Life; This Momentary Marriage; A Peculiar Glory; and Reading the Bible Supernaturally.
Thomas R. Schreiner (MDiv and ThM, Western Conservative Baptist Seminary; 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.
Carl R. Trueman (PhD, University of Aberdeen) is professor of biblical and religious studies at Grove City College and pastor of Cornerstone Presbyterian Church (OPC) in Ambler, Pennsylvania. He is an esteemed church historian and previously served as the William E. Simon Fellow in Religious and Public Life at Princeton University. Trueman has authored or edited more than a dozen books, including The Creedal Imperative, Luther on the Christian Life, and Histories and Fallacies.
Lee Gatiss (PhD, Cambridge University) is the director of Church Society, a lecturer in church history at Union School of Theology, and a research fellow of the Jonathan Edwards Centre Africa at the University of the Free State, South Africa. He also serves as a member of the editorial board of Themelios and editor for the internet journal Theologian. Lee and his wife, Kerry, have three children.
Matthew S. Harmon (PhD, Wheaton College) is professor of New Testament studies at Grace College and Theological Seminary in Winona Lake, Indiana. He was previously on staff with Cru for eight years and is the author of several books. Matthew and his wife, Kate, live in Warsaw, Indiana, and have two sons.
Michael A. G. Haykin (ThD, University of Toronto) is professor of church history and biblical spirituality at the Southern Baptist Theological Seminary and director of the Andrew Fuller Center for Baptist Studies. He has authored or edited more than twenty-five books, including Rediscovering the Church Fathers: Who They Were and How They Shaped the Church.
Alec Motyer (1924-2016) served as principal of Trinity Theological College in the United Kingdom, as well as pastor of several churches in England.
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 lives in Louisville, Kentucky, with his wife, Karen, and their five children.
Garry Williams (DPhil, Oxford University) serves as the director of the John Owen Centre for Theological Study at London Theological Seminary in the United Kingdom, which provides theological teaching for pastors after their initial training. He is also a visiting professor of historical theology at Westminster Theological Seminary in Philadelphia, Pennsylvania. Garry and his wife, Fiona, have four children.