Nadia Marzouki is a Research Fellow (chargée de echerche) at the CNRS (Centre national de la recherche scientifique) in Paris. She received her PhD in political science from Sciences-Po in 2008. Her work examines public controversies about Islam and religious freedom in Europe and the United States. She is also interested in debates about religious freedom and democratization in North Africa.
She is currently working on a new project on progressive ecumenical alliances and interfaith movements in the United States that advocate social and racial justice, and oppose the instrumentalization of religious values for far right religious and political ends.

From 2012 to 2016, she was part of the core research team of the ERC funded program ReligioWest, that was based at the European University Institute in Florence and led by Olivier Roy. She spent the year 2016-2017 as a visiting fellow at the Ash Center for Democratic Governance at Harvard Kennedy School. In the Spring 2018 she taught a course titled Muslims in the United States: Contests over Religious Freedom and Citizenship at the Yale Law School. She is the Principal Investigator of the CNRS funded International Research Network, Contextualizing Radicalization - The Politics of Violent Extremism.

She is the author of Islam, an American Religion (Columbia University Press, 2017). She coedited with Olivier Roy Religious Conversions in the Mediterranean World (Palgrave, Macmillan, 2013). She coedited with Olivier Roy and Duncan McDonnell, Saving the People, How Populists Hijack Religion (Oxford University Press, 2017).