By Faith Alone Answering the Challenges to the Doctrine of Justification

Gary L. W. Johnson (PhD, Westminster Theological Seminary) is the senior pastor of Church of the Redeemer in Mesa, Arizona. He has written for Table Talk, Modern Reformation, and the Westminster Theological Journal.

Guy Prentiss Waters (PhD, Duke University) is the James M. Baird Jr. Professor of New Testament at Reformed Theological Seminary, and was formerly an associate professor of biblical studies at Belhaven University in Jackson, Mississippi. Guy and his wife, Sarah, have three children.

David Wells (PhD, University of Manchester) is a distinguished research professor at Gordon-Conwell Theological Seminary. He is the author or editor of a number of books, some of which have been translated into many different languages. He is a member of the John Stott Ministries board, where he has worked to bring theological education to church leaders in developing countries. He is also actively involved in working to build orphanages and provide educational opportunities for victims of civil wars and AIDS in Africa. David and his wife, Jane, live in Massachusetts.

R. Albert Mohler Jr. (PhD, Southern Baptist Theological Seminary) serves as the ninth president and the Joseph Emerson Brown Professor of Christian Theology of Southern Seminary. Considered a leader among American evangelicals by Time and Christianity Today magazines, Dr. Mohler hosts two programs: The Briefing, a daily analysis of news and events from a Christian worldview, and Thinking in Public, a series of conversations with today's leading thinkers. He also writes a popular blog and a regular commentary on moral, cultural, and theological issues.

Cornelis P. Venema (PhD, Princeton Theological Seminary) serves as the president of Mid-America Reformed Seminary, where he also teaches doctrinal studies. He is also an associate pastor of the Redeemer United Reformed Church of Dyer, Indiana, and the co-editor of the Mid-America Journal of Theology. He and his wife, Nancy, have four children and twelve grandchildren.

Richard D. Phillips (DD, Greenville Presbyterian Theological Seminary) is the senior minister of Second Presbyterian Church in Greenville, South Carolina. He chairs the Philadelphia Conference on Reformed Theology and coedits the Reformed Expository Commentary. He is also a chairman of the Philadelphia Conference on Reformed Theology, a council member of the Gospel Coalition, and a trustee of Westminster Theological Seminary.

David VanDrunen (PhD, Loyola University Chicago) is the Robert B. Strimple Professor of Systematic Theology and Christian Ethics at Westminster Seminary California in Escondido, California.

E. Calvin Beisner (PhD, University of St. Andrews) is a spokesman for the Cornwall Alliance for the Stewardship of Creation and an author and speaker on the application of the biblical worldview to economics, government, and environmental policy. He is a ruling elder in the Orthodox Presbyterian Church and has written over ten books and is a frequent guest on radio and television programs.

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 and editor of several books. John and his wife, Ruth, have three children and nine grandchildren.