Stephen Castles is Research Professor of Sociology at the University of Sydney, and Associate Director of the International Migration Institute at the University of Oxford. A sociologist and political economist trained at Frankfurt am Main and at the University of Sussex, Castles work focuses on international migration dynamics, global governance, migration and development, and regional migration trends in Africa, Asia and Europe. Castles was the Director of the Refugee Studies Centre at the University of Oxford. Until January 2001 he was Director of the Centre for Asia Pacific Social Transformation Studies at the Universities of Wollongong and Newcastle, Australia. He has studied migration and multicultural societies in Europe, Australia and Asia for many years. From 1994 to 2001, Castles helped establish and coordinate the UNESCO-MOST Asia Pacific Migration Research Network. His books include: Immigrant Workers and Class Structure in Western Europe (with Godula Kosack, London: Oxford University Press, 1973); Here for Good: Western Europe’s New Ethnic Minorities (London: Pluto, 1984); The Age of Migration: International Population Movements in the Modern World (with Mark Miller, London: Macmillan, 1998); Citizenship and Migration: Globalization and the Politics of Belonging (with Alastair Davidson, London: Macmillan, 2000); and Ethnicity and Globalization: From Migrant Worker to Transnational Citizen (London: Sage, 2000). His current research focuses on “social transformation and international migration in the 21st century” with fieldwork in Australia, Turkey, Mexico and the Republic of Korea. These programs are funded by the Australian Research Council (ARC).