Jean-Paul Willaime (born 1947 in Charleville-Mézières, Ardennes) is a French sociologist specialized in contemporary Protestantism, Christian ecumenism, Secularism and religions, theories and methods in the sociology of religions.
Jean-Paul Willaime obtained a PhD in religious science (1975) and in sociology (1984) in the University of Strasbourg.
He is also Director of the Institut européen en sciences des religions (Paris), member of the Groupe Société, Religions, Laïcités (GSRL), and since 2007 President of the Société internationale de sociologie des religions.
[1][2] He is a member of the editorial boards of the Archives de sciences sociales des religions (Paris), Social Compass (Louvain) and the Journal of Contemporary Religion (London).
He developed the theory of ultramodernism around the issue of practices of secularism in France and Europe.