Jehu J. Hanciles is an associate professor of world Christianity at Emory University’s Candler School of Theology in Atlanta. He studies global Christian expansion, especially in Africa.

Todd M. Johnson is director of the Center for the Study of Global Christianity at Gordon-Conwell Theological Seminary in South Hamilton, Mass. The rise of Pentecostalism has been a major focus of the program. He is also an expert on international religious demography and he edits the World Christian Database and is co-editor of the World […]