Roger E. Olson is professor of theology at George W. Truett Theological Seminary of Baylor University in Waco, Texas. His Ph.D. in Religious Studies is from Rice University and he graduated from North American Baptist Seminary. He is the author of thirteen books on theology, is contributing editor of Christianity Today magazine and served as general editor of Christian Scholar's Review. He has also been president of the American Theological Society and co-chair of the Evangelical Theology Group of the American Academy of Religion. His special areas of interest lie in historical theology and American religious denominations and sects.