Nancy L. Green is professor (directrice d’études) of history at the École des Hautes Études en Sciences Sociales in Paris, where she is a member of the Centre de Recherches Historiques.  She received her doctorate from the University of Chicago in 1980 and a doctorat d’état from the Université de Paris VII in 1996.  A specialist of migration history, comparative methods, and French and American social history, her major publications include: Ready-to-Wear and Ready-to-Work: A Century of Industry and Immigrants in Paris and New York (Duke University Press, 1997); Repenser les migrations (Presses Universitaires de France, 2002); Citizenship and Those Who Leave (co-ed. with François Weil) (University of Illinois Press, 2007); Histoire de l’immigration et question coloniale en France (co-ed. with Marie Poinsot) (La documentation française, 2008); The Other Americans in Paris: Businessmen, Countesses, Wayward Youth, 1880-1941, 2014 (University of Chicago Press, 2014); and A Century of Transnationalism: Immigrants and their Homeland Connections (co-ed. with Roger Waldinger (University of Illinois Press, 2016).