Alejandro Portes is professor of law and distinguished scholar of arts and sciences at the University of Miami. He is the Howard Harrison and Gabrielle S. Beck Professor of Sociology (emeritus) and the founding director of the Center for Migration and Development at Princeton University. Portes is also a member of the National Academy of Sciences and the former president of the American Sociological Association. His books include City on the Edge: The Transformation of Miami (1993) and Immigrant America: A Portrait (fourth edition, 2014).
Ariel C. Armony is vice provost for global affairs and director of the University Center for International Studies at the University of Pittsburgh, where he also holds appointments in the Graduate School of Public and International Affairs and the Department of Political Science in the Dietrich School of Arts and Sciences. He is the author of The Dubious Link: Civil Engagement and Democratization (2004) and, with Portes, The Global Edge: Miami in the Twenty-First Century (2018).