Tim Challies is founder and author of the popular Christian blog Challies.com. Tim is a pastor at Grace Fellowship Church in Toronto, Ontario, and co-founder of Cruciform Press. He is author of The Discipline of Spiritual Discernment, Sexual Detox: A Guide for Guys Who Are Sick of Porn, and The Next Story: Life and Faith After the Digital Explosion.
W. Robert Godfrey
Dr. W. Robert Godfrey is a Ligonier Ministries teaching fellow and chairman of Ligonier Ministries. He is president emeritus and professor emeritus of church history at Westminster Seminary California. He is the featured teacher for the six-part Ligonier teaching series A Survey of Church History. His many books include God’s Pattern for Creation, Reformation Sketches, An Unexpected Journey, Learning to Love the Psalms, and Saving the Reformation.
Dr. Steven J. Lawson is founder and president of OnePassion Ministries. He is a Ligonier Ministries teaching fellow, director of the doctor of ministry program at The Master’s Seminary, and host of the Institute for Expository Preaching. He has written numerous books, including The Passionate Preaching of Martyn Lloyd-Jones, The Evangelistic Zeal of George Whitefield, John Knox: Fearless Faith, and The Moment of Truth. He is on Twitter @DrStevenJLawson.
Dr. R. Albert Mohler Jr. is president and Joseph Emerson Brown Professor of Christian Theology at The Southern Baptist Theological Seminary in Louisville, Ky. He is host of the daily program The Briefing and blogs at AlbertMohler.com. He is author of numerous books, including Culture Shift, Atheism Remix, We Cannot Be Silent and The Prayer That Turns the World Upside Down. He is on Twitter @AlbertMohler.
Dr. Burk Parsons is senior pastor of Saint Andrew’s Chapel in Sanford, Fla., chief publishing officer for Ligonier Ministries, editor of Tabletalk magazine, and a Ligonier Ministries teaching fellow. He is author of Why Do We Have Creeds?, editor of Assured by God and John Calvin: A Heart for Devotion, Doctrine, and Doxology, and cotranslator and coeditor of A Little Book on the Christian Life by John Calvin. He is on Twitter at @BurkParsons.