Gary L. W. Johnson is adjunct professor at Greenville Presbyterian Theological Seminary. He and his wife, Suzanne, live in Arizona and have four children.
Ronald N. Gleason, pastor of Grace Presbyterian Church in Yorba Linda, California, holds a PhD in systematic theology from Westminster Theological Seminary.
David F. Wells (PhD, University of Manchester) is the Distinguished Senior Research Professor at Gordon-Conwell Theological Seminary. In addition to serving as academic dean of its Charlotte campus, Wells has also been a member of the Lausanne Committee for World Evangelization and is involved in ministry in Africa. He is the author of numerous articles and books, including a series that was initiated by a Pew grant exploring the nature of Christian faith in the contemporary, modernized world.
John Bolt (PhD, University of St. Michael’s College) is professor of systematic theology at Calvin Theological Seminary in Grand Rapids, Michigan. He is the author of several books and the editor of the four-volume English edition of Herman Bavinck’s Reformed Dogmatics.
Paul Helm is a teaching fellow at Regent College, Vancouver, where he was previously the J. I. Packer Professor of Philosophical Theology. Before going to Regent he was professor of history and philosophy of religion at King's College in London. His books include Eternal God; The Providence of God; Faith with Reason; John Calvin's Ideas; and John Calvin: A Guide for the Perplexed.
Paul Kjoss Helseth is Associate Professor of Christian Thought at Northwestern College in St. Paul, Minnesota and the author of numerous scholarly articles.
Guy P. Waters is assistant professor of biblical studies at Belhaven College. He and his wife, Sarah, live in Mississippi and have two children.
Greg Gilbert (MDiv, The Southern Baptist Theological Seminary) is senior pastor at Third Avenue Baptist Church in Louisville, Kentucky. He is the author of What Is the Gospel?, James: A 12-Week Study, and Who Is Jesus?, and is the co-author (with Kevin DeYoung) of What Is the Mission of the Church?.