Peter Kivisto is Richard A. Swanson Professor of Social Thought and Chair of Sociology, Anthropology and Social Welfare at Augustana College and Finland Distinguished Professor at the University of Turku. His current research involves a collaborative project on multiculturalism with colleagues in Finland. His interests include immigration, social integration, citizenship, and religion. Among his recent books are Key Ideas in Sociology (2011), Illuminating Social Life (2011); Beyond a Border: The Causes and Consequences of Contemporary Immigration (2010, with Thomas Faist); Citizenship: Discourse, Theory and Transnational Prospects (2007, with Thomas Faist); and Intersecting Inequalities (2007, with Elizabeth Hartung). He serves on the editorial boards of Contexts, Ethnic and Racial Studies, Journal of Intercultural Studies, and on the Publication Committee for Sociology of Religion. Thomas Faist* is Professor of Transnational and Development Studies at the Department of Sociology, Bielefeld University. His research interests focus on international migration, immigrant integration, citizenship, social policy and development studies. He held visiting professorships at Malmö University and the University of Toronto. Currently, his work centers on environmental degradation and migration, and on the transnational social question. Thomas Faist serves on the editorial board of The Sociological Quarterly, Ethnic and Racial Studies, Migration Letters, and South Asian Diaspora. He recently published "Dual Citizenship in Europe: From Nationhood to Social Integration" (Ashgate 2007), "Citizenship: Theory, Discourse and Transnational Prospects", with Peter Kivisto, Blackwell 2008), and "The Europeanization of National Immigration Politics and Policies" (Palgrave Macmillan 2007)