Roger E. Olson, PhD (Rice University) is professor of Theology at George W. Truett Theological Seminary of Baylor University in Waco, Texas. Olson received the 'Critics' Choice Award' for 20th Century Theology: God and the World in a Transitional Age, a book he co-authored with Stanley J. Grenz. He has published numerous books and articles, including his recent works How to Be Evangelical without Being Conservative and Reformed and Always Reforming: The Postconservative Approach to Evangelical Theology.