Dr. Richard Phillips is Senior Minister of the historic Second Presbyterian Church in Greenville, SC. He is the author of forty-five books and frequently speaks at conferences on the Bible and Reformed Theology. He has been the chairman of the Philadelphia Conference on Reformed Theology since 2000 and is series co-editor of the Reformed Expository Commentary series (P&R). Dr. Phillips is an adjunct professor at Westminster Theological Seminary, where he serves on the Board of Trustees as chairman of the Academic Affairs Committee. He serves also on the Board of Directors of the Alliance of Confessing Evangelicals and the Council of the Gospel Reformation Network.  He has enjoyed a long association with the Rafiki Foundation and contributed extensively to the Rafiki Bible Study. His holds degrees from Greenville Presbyterian Theological Seminary, Westminster Theological Seminary, the University of Pennsylvania, and the University of Michigan. He and his wife, Sharon, have five children and live in Greenville, SC.

Dr. David Strain serves as Senior Minister of First Presbyterian Church in Jackson, Missisppi. He was born in Glasgow, Scotland. He holds degrees from Duncan Jordanstone College of Art, Trinity College Glasgow/School of Divinity, the Free Church of Scotland College in Edinburgh, and Reformed Theological Seminary in Jackson. He was ordained to the gospel ministry in the Free Church of Scotland in September 2003, and has held pastoral charges in London, England, and Columbus, Mississippi. He was awarded a Doctor of Ministry degree from Reformed Theological Seminary (Jackson) in 2016. In addition to being a frequent contributor to a number of popular magazines, Dr. Strain is the author of several books, including Expository Preaching, a commentary on Ruth and Esther (Focus on the Bible series), and a commentary on Philippians (Lectio Continua series). David and his wife, Sheena, have two teenage boys.

Rev. Nick Batzig serves as the Senior Pastor of Church Creek PCA in Charleston, South Carolina, and an associate editor for Ligonier Ministries. Rev. Batzig has also served as the editor of Reformation21 and the Christward Collective—sites of the Alliance of Confessing Evangelicals. Nick has written numerous articles for Tabletalk Magazine, Christward Collective, Reformation 21, He Reads Truth, Church Leaders, and Christianity.com. He is published in Jonathan Edwards and Scotland (Dunedin, 2011) and Jonathan Edwards for the Church (EP Publishing). Nick has also taught on pastoral leadership at Reformed Theological Seminary in Atlanta, GA. He and his wife, Anna, have three sons.

Dr. Brian Cosby serves as Senior Pastor of Wayside Presbyterian Church (PCA) on Signal Mountain, Tennessee, where he has served for over 10 years. He is an adjunct professor of historical theology at Reformed Theological Seminary, Atlanta, and Reformation Bible College in Sanford, Florida. He holds degrees from Samford University (B.A.), Beeson Divinity School (M.Div.), and the Australian College of Theology (Ph.D.). Brian is an officer (Capt.) in the United States Air Force Reserves, serves on the board of trustees for Covenant Theological Seminary, is an advisory board member of Beeson Divinity School, a content writer for Ligonier Ministries, and is the author of over a dozen books, including Uncensored: Daring to Embrace the Entire Bible, Giving Up Gimmicks: Reclaiming Youth Ministry from an Entertainment Culture, A Christian's Pocket Guide to Suffering, and None Else (co-authored with Joel Beeke). Brian enjoys reading, carpentry, and fishing. He and his wife, Ashley, have three children and live on a small farm.