Eileen Barker is a professor emeritus in the sociology department at the University of London. She studies minority religions, including cults, sects and New Religious Movements, and relevant social conditions.

Katie Grimes is an assistant professor of theological ethics at Villanova University and one of the authors of a blog called Women in Theology. The blog is featuring accounts by people who have used natural family planning.

Gregory A. Smith is the associate director of research at the Pew Research Center. He’s an expert on religion in America. Arrange interviews through Anna Schiller.

Reimer is a professor of sociology at Crandall University in New Brunswick, Canada. Evangelical movements and subcultures in North America, especially Canada, are his expertise area.  

Van Die is a professor of history and theology in the department of History at Queen’s University, Kingston, ON, Canada. Her specialization is in Methodist tradition and history in Canada, 19th century religion, gender and class.

Snyder is a professor of Wesley Studies at Tyndale University College and Seminary, Toronto, ON, Canada. His expertise is in Wesleyan theology, history and theology of mission, church renewal, and historical theology.

Airhart is an Associate Professor of History of Christianity at Emmanuel College, University of Toronto, Toronto, ON, Canada. Her interests include North American Christianity, Methodism, religion and public life, and the history of spirituality.

Ross is an associate professor in the department of religion and culture at Wilfrid Laurier University, Waterloo, ON, Canada. A focus of his is Lutheran theology and Evangelicals. He also studies religion and social change and new religious movements.

Radner is a profession of historical theology at the University of Toronto, Toronto, ON, Canada. He specifically researches Anglican/Episcopal theology. He was previously a rector of the Episcopal Church of the Ascension, Pueblo, Colorado.