Joel R. Beeke is president and professor of systematic theology and homiletics at Puritan Reformed Theological Seminary. He also serves as pastor of the Heritage Netherlands Reformed Congregation in Grand Rapids, Michigan, editor of Banner of Sovereign Grace Truth, editorial director of Reformation Heritage Books, president of Inheritance Publishers, and vice-president of the Dutch Reformed Translation Society. He has written, co-authored, or edited around sixty books including Living for the Glory of God: An Introduction to Calvinism, Meet the Puritans, Contagious Christian Living, Reformation Heroes, Calvin for Today, Walking as He Walked, and Striving Against Satan. Joel has also contributed around fifteen hundred articles to Reformed books, journals, periodicals, and encyclopedias. He has a Ph.D. in Reformation and Post-Reformation theology from Westminster Theological Seminary (Philadelphia, PA). Joel is married to Mary and they have one son and two daughters.

Paul Miller is the director of seeJesus.net, a ministry that creates quality interactive Bible studies. Paul holds degrees from Temple University and Biblical Theological Seminary (M.Div.). In 1983 Paul worked with his father, Dr. Jack Miller, on what later became World Harvest Mission. He served as Associate Director of WHM for 13 years (1983-1996). Paul has authored several discipleship courses and books, including Sonship, Discipling by Grace, The Love Course, Love Walked Among Us, and A Praying Life. Paul and his wife, Jill, have six children and live near Philadelphia.

Jerry Rankin is President Emeritus of International Mission Board of the Southern Baptist Convention. Jerry has a B.A. from Mississippi College, an M.Div. from Southwestern Baptist Theological Seminary, an Honorary Doctor of Divinity from Mississippi College, and an Honorary Doctor of Missions from California Baptist University. Jerry has spent the last 40 years serving as a missionary in Indonesia, Associate to the Area Director for South and Southeast Asia, Administrator for Southern Baptist work in India, Area Director for Southern Asia and Pacific, and President of the International Mission Board (1993-2010) He has authored several books including The Challenge to Great Commission Obedience, Spiritual Warfare: The Battle for God’s Glory, and Spiritual Warfare and Missions: The Battle for God’s Glory Among the Nations. He and his wife, Bobbye, have two children, both of whom have foreign missionary experience.

Francis Chan holds a B.A. from Master’s college and a M.Div. from Master’s Seminary. He is also the Chancellor of Eternity Bible College and serves on the board of directors for Children’s Hunger Fund and World Impact. Francis spends much of his time speaking to high school and college students and is the author of Crazy Love and Forgotten God. His commitment is to teach directly from the words of Scripture. It is his passion to see the next generation of American Christians display a much deeper love for Jesus and their neighbors. Francis is married to Lisa and they have three daughters and one son.

John Piper is Pastor for Preaching and Vision at Bethlehem Baptist Church in Minneapolis, Minnesota. He grew up in Greenville, South Carolina, and studied at Wheaton College, where he first sensed God’s call to enter the ministry. He went on to earn degrees from Fuller Theological Seminary (B.D.) and the University of Munich (D.Theol.). For six years he taught Biblical Studies at Bethel College in Saint Paul, Minnesota, and in 1980 accepted the call to serve as pastor of Bethlehem Baptist Church. He has written, among other books, Desiring God, Don’t Waste Your Life, God Is the Gospel, What Jesus Demands from the World, and Think: The Life of the Mind and the Love of God. He is married to Noël and has four sons and a daughter.