Nadia Marzouki is a tenured research fellow (Chargée de Recherche) at the CNRS (Centre National de la Recherche Scientifique) and member of CERI at Sciences-Po in Paris. She wrote on public controversies about Islam in Europe and the United States. Her current work examines how some progressive religious movements in Europe and the United States promote civic ecumenism as an alternative to religious nationalism and populism. She is the author of Islam: An American Religion (Columbia University Press, 2017). She coedited, with Olivier Roy and Duncan McDonnell, Saving the People, How Populists Hijack Religion (Hurst/Oxford University Press, 2017).