Carmelo Alvarez is a former affiliate professor of church history and theology at Christian Theological Seminary in Indianapolis and has written about Pentecostals.

R. Andrew Chesnut is a professor of religious studies at Virginia Commonwealth University. He has written about the growing presence of Pentecostalism in Latin America and the growing popularity of Santa Muerte spirituality.

T.D. Jakes is the leader of the Potter’s House, a 30,000 member Pentecostal church in Dallas. He is a nationally known pastor and author.

M. Jane Harris is a professor of religion at Hendrix College in Conway, Ark. She has written on the role of Pentecostalism in political life in the South.

Laurence W. Wood is a professor of systematic theology at Asbury Theological Seminary in Wilmore, Ky. He wrote the article “Third Wave of the Spirit, Pentecostalization of American Christianity: A Wesleyan Critique” in the 1996 Wesleyan Theological Journal.

David Yamane is a professor of sociology at Wake Forest University and expert on American Catholicism. He is the author of The Catholic Church in State Politics: Negotiating Prophetic Demands and Political Realities. Over the last few years, Yamane has shifted his attention to gun culture and studies the rise of armed citizens.

Estrelda Alexander is president of William Seymour College in Bowie, Md., and author of The Women of Azusa Street (The Pilgrim Press, 2005), which explores the major role of women in the birth and success of Pentecostalism, especially among African-Americans.

Robert W. Graves is president of the Atlanta-based Foundation for Pentecostal Scholarship, which was started to foster a growing theological and intellectual development in Pentecostalism.