Dr. Stephen Bullivant holds professorial positions at St Mary's University, London, and the University of Notre Dame, Sydney. He has doctorates in theology (Oxford, 2009) and sociology (Warwick, 2019). His studies of contemporary nonreligiosity have received wide international coverage, including from the BBC, New York Times, The Economist, Financial Times, and Der Spiegel. His recent books include The Cambridge History of Atheism (Cambridge University Press, 2021; with Michael Ruse) and Nonverts: The Making of Ex-Christian America (Oxford University Press, 2022)