Peter Althouse is an associate professor of religion at Southeastern University in Lakeland, Fla. He is an expert on Pentecostalism and charismatic renewal and has studied the growth of both in Canada.

Kenneth Archer is a professor of Pentecostal theology and Christian studies at Southeastern University in Lakeland, Fla. He is also the president of the Society for Pentecostal Studies.

Kenneth J. Collins studies American Christianity at the Asbury Theological Seminary in Wilmore, Ky. He can comment on the evolution of evangelicalism in the United States.