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: How Ecclesiastes Teaches Us to Live in Light of the End; Radically Whole: Gospel Healing for the Divided Heart; and The Lord of Psalm 23: Jesus Our Shepherd, Companion, and Host. He is married to Angela, and they have four children. Jonathan Gibson (PhD, University of Cambridge) is an ordained minister in the International Presbyterian Church, United Kingdom, and associate professor of Old Testament at Westminster Theological Seminary in Philadelphia. He is a coeditor of and contributor to From Heaven He Came and Sought Her and author of Be Thou My Vision: A Liturgy for Daily Worship. Jonny and his wife, Jackie, have four children. Michael Horton (PhD, University of Coventry and Wycliffe Hall, Oxford) is the J. Gresham Machen Professor of Systematic Theology and Apologetics at Westminster Seminary in California. In addition to being the author of many popular and academic books, he is also the editor in chief of Modern Reformation magazine, a host of the White Horse Inn radio broadcast, and a minister in the United Reformed Churches. 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. R. Albert Mohler Jr. (PhD, Southern Baptist Theological Seminary) serves as the ninth president and the Joseph Emerson Brown Professor of Christian Theology of Southern Seminary. Considered a leader among American evangelicals by Time and Christianity Today magazines, Dr. Mohler hosts two programs: The Briefing, a daily analysis of news and events from a Christian worldview, and Thinking in Public, a series of conversations with today’s leading thinkers. He also writes a popular blog and a regular commentary on moral, cultural, and theological issues.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. Douglas Sean O’Donnell (PhD, University of Aberdeen) is the senior vice president of Bible editorial at Crossway. Over the past twenty-five years he has helped train people around the world to read and teach the Bible clearly. He has pastored several churches, served as a professor, and authored or edited over twenty books, including commentaries, Bible studies, children’s books, and a children’s curriculum. He also wrote The Pastor’s Book with R. Kent Hughes and The Beauty and Power of Biblical Exposition with Leland Ryken. David Wells (PhD, University of Manchester) is a distinguished research professor at Gordon-Conwell Theological Seminary. He is the author or editor of a number of books, some of which have been translated into many different languages. He is a member of the John Stott Ministries board, where he has worked to bring theological education to church leaders in developing countries. He is also actively involved in working to build orphanages and provide educational opportunities for victims of civil wars and AIDS in Africa. David and his wife, Jane, live in Massachusetts. Lee Gatiss (PhD, University of Cambridge) is the director of Church Society and a lecturer in church history at Union School of Theology. He is chairman of The Global Anglican and on the editorial board of Studies in Puritanism and Piety. He has written and edited more than thirty books on the Bible, theology, and church history. He and his family serve at Christ Church, Cambridge in the United Kingdom. James N. Anderson (PhD, University of Edinburgh) is Carl W. McMurray Professor of Theology and Philosophy at Reformed Theological Seminary in Charlotte, North Carolina, and an ordained minister in the Associate Reformed Presbyterian Church. Anderson is a member of the Society of Christian Philosophers, the British Society for the Philosophy of Religion, and the Evangelical Philosophical Society. Bradley G. Green (PhD, Baylor University) is associate professor of Christian thought and tradition at Union University and cofounder of Augustine School, a Christian liberal arts school in Jackson, Tennessee. He has written numerous journal articles and reviews. Mark D. Thompson (DPhil, University of Oxford) is the principal of Moore Theological College in Sydney, Australia, where he has been teaching Christian doctrine for thirty years. He is the chair of the Sydney Diocesan Doctrine Commission and a member of the GAFCON Theological Resource Group. He is the author of A Clear and Present Word. Mark is married to Kathryn, and they have four daughters. Ryan M. McGraw (PhD, University of the Free State) is professor of systematic theology at Greenville Presbyterian Theological Seminary and has pastored in several churches. He has written nearly thirty books, focusing on weaving the Trinity into doctrine and life. Stephen M. Coleman (PhD, The Catholic University of America) is assistant professor of Old Testament at Westminster Theological Seminary and the senior research fellow at the J. Alan Groves Center for Advanced Biblical Research. N. Gray Sutanto (PhD, University of Edinburgh) is assistant professor of systematic theology at Reformed Theological Seminary, Washington, DC. He is the author of God and Knowledge: Herman Bavinck’s Theological Epistemology, and a cotranslator and coeditor of Herman Bavinck’s Christian Worldview. Mark Jones (PhD, Leiden Universiteit) serves as the pastor of Faith Vancouver Presbyterian Church (PCA) in British Columbia, Canada. He has authored many books, including Living for God and God Is, and speaks all over the world on Christology and the Christian life. Mark and his wife, Barbara, have four children. Andrew M. Leslie (PhD, University of Edinburgh) is head of theology, philosophy, and ethics at Moore Theological College in Sydney, Australia. He is also a lecturer in Christian doctrine and has served in the parishes of North Sydney and Strathfield. Heath Lambert (PhD, The Southern Baptist Theological Seminary) is senior pastor at First Baptist Church of Jacksonville, Florida, is a founding council board member of the Biblical Counseling Coalition, and sits on the review board for The Journal of Biblical Manhood and Womanhood. He previously served as executive director of the Association of Certified Biblical Counselors and as associate professor of biblical counseling at Boyce College of the Southern Baptist Theological Seminary.