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. 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. R. Kent Hughes (DMin, Trinity Evangelical Divinity School) is senior pastor emeritus of College Church in Wheaton, Illinois, and former professor of practical theology at Westminster Theological Seminary in Philadelphia, Pennsylvania. Hughes is also a founder of the Charles Simeon Trust, which conducts expository preaching conferences throughout North America and worldwide. He serves as the series editor for the Preaching the Word commentary series and is the author or coauthor of many books. He and his wife, Barbara, live in Spokane, Washington, and have four children and an ever-increasing number of grandchildren. 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. Bryan Chapell is a bestselling author of many books, including Christ-Centered Preaching and Holiness by Grace. He is pastor emeritus of the historic Grace Presbyterian Church in Peoria, Illinois; president emeritus of Covenant Theological Seminary; and president of Unlimited Grace Media (unlimitedgrace.com), which broadcasts daily messages of gospel hope in many nations.   Justin S. Holcomb (PhD, Emory University) is an Episcopal priest and teaches theology at Reformed Theological Seminary, Orlando. He has written or edited more than twenty books on abuse, theology, and biblical studies. Justin and his wife, Lindsey, live in Orlando, Florida, with their two daughters. Philip Graham Ryken (DPhil, University of Oxford) is the eighth president of Wheaton College. He preached at Philadelphia’s Tenth Presbyterian Church from 1995 until his appointment at Wheaton in 2010. Ryken has published more than fifty books, including When Trouble Comes and expository commentaries on Exodus, Ecclesiastes, and Jeremiah. He serves as a board member for the Gospel Coalition and the Lausanne Movement. 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. Miles V. Van Pelt (PhD, The Southern Baptist Theological Seminary) is the Alan Belcher Professor of Old Testament and Biblical Languages, academic dean, and director of the Summer Institute for Biblical Languages at Reformed Theological Seminary, Jackson. He also serves on the pastoral staff of Grace Reformed Church in Madison, Mississippi. He and his wife, Laurie, have four children. 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.