John Marriott

John Marriott is a faculty affiliate of the Human Flourishing Program at Harvard University's Institute for Quantitative Social Science. He is the former research and program coordinator for the Biola University Center for Christian Thought and teaches part-time in the department of philosophy at Talbot School of Theology. A former pastor, he holds a PhD from the Cook School of Intercultural Studies. His dissertation focused on deconversion from Christianity to atheism.

John is the author of five books on deconversion: A Recipe for Disaster (Wipf & Stock, 2018), The Anatomy of Deconversion (ACUP, 2020), Going . . . Going . . . Gone . . . ! (Renaissance, 2021), Before You Go (with Shawn Wicks, Leafwood, 2022), and Set Adrift (with Sean McDowell, Zondervan, 2023).