Joel A. Carpenter is the director of the Nagel Institute for the Study of World Christianity at Calvin College in Grand Rapids, Michigan. From 1996 to 2006 he was provost of Calvin College. Prior to that he was director of the Religion Program at the Pew Charitable Trusts, a position he took in 1989 after 12 years of college teaching at Calvin, Trinity International University, and Wheaton College. While at Wheaton he was the director of the Institute for the Study of American Evangelicals. A graduate of Calvin College, Carpenter received his Ph.D. in history from The Johns Hopkins University. His special expertise is in American religious history and he has published many articles and chapters in that field. He is the author of the award-winning study, Revive Us Again: The Reawakening of American Fundamentalism (Oxford, 1997). His latest work, which he co-edited with Lamin Sanneh, is The Changing Face of Christianity: Africa, the West, and the World (Oxford, 2005).