Guillermina Jasso is Silver Professor and Professor of Sociology at New York University.  Her Ph.D. is from Johns Hopkins University.  She was the founding director of the Methods Workshop at New York University (1991-1997) and the founding director of the Theory Workshop at the University of Iowa (1988-1991), as well as a co-founder of the Life Course Center at the University of Minnesota.  She served as Special Assistant to the Director of the U.S. Immigration and Naturalization Service (1977-1979) and as Director of Research for the U.S. Select Commission on Immigration and Refugee Policy (1979-1980).

Professor Jasso's major research interests are basic sociobehavioral theory, distributive justice, status, international migration, mathematical methods for theory building, and factorial survey methods for empirical analysis.  She has published numerous articles in scholarly journals on these topics.  Currently she is a Principal Investigator of the New Immigrant Survey, the first national longitudinal survey of immigrants in the United States.

Professor Jasso was elected to the Johns Hopkins Society of Scholars and to the Sociological Research Association, and was elected a Fellow of the American Association for the Advancement of Science.  She was a Fellow at the Center for Advanced Study in the Behavioral Sciences (1999-2000), is a Research Associate at the Center for Public Policy at the University of Houston, a Fellow at the Center for the Study of Poverty and Inequality at Stanford University, and a Research Fellow of IZA.

Professor Jasso has served on many advisory boards, including panels advising the U.S. National Science Foundation, the U.S. National Institutes of Health, and the International Institute for Applied Systems Analysis, and currently serves on the Advisory Committee for the Social, Behavioral and Economic Sciences (SBE) Directorate, U. S. National Science Foundation, the Scientific Advisory Board of DIW Berlin, and the U.S. Census Advisory Committee of Professional Associations.  She was a member of the U.S. National Academy of Sciences' Panel on the Demographic and Economic Consequences of Immigration, the Core Research Group of the Binational Study of Migration Between Mexico and the United States, and the U.S. National Academy of Sciences' Committee on Redesign of the U.S. Naturalization Test.  She has served as Deputy Editor of American Sociological Review.  She has also served as Chair of four Sections of the American Sociological Association, the Theory Section, the Rationality and Society Section, the International Migration Section, and the Social Psychology Section.

Professor Amelie F. Constant is the Executive Director of DIW DC in Washington DC and a visiting professor at the Elliott School of International Affairs at George Washington University. She is also the Vice Dean of the Graduate Center at the German Institute for Economic Research (DIW) in Berlin and the Deputy Program Director of Migration at IZA in Bonn.

Professor Constant's research interests are in international migration, immigrant assimilation issues, gendered differences in labor market outcomes, occupational mobility, labor market segmentation, immigrant entrepreneurship in an intercountry setting, minorities and schooling quality and earnings. Her latest work deals with ethnic diversity, national identities, ethnic self-identification, risk attitudes, brain drain and remittances. She has conducted research and published papers on Markov-chain based models and queuing theory to study various demanding applications, resource allocation, and immigrant assimilation. While most of her empirical research is on migration in Germany, she has also done research on migration in France, Denmark, Italy, Greece and other EU countries, as well as the U.S.

As a scholar in the economics of migration, Professor Constant has been working in the field for fifteen years. She has written over thirty five refereed articles and book chapters, published in many prestigious journals. She has won the Senior Prize Category of VdF/DIW for the best paper using the GSOEP during the period 2003-2004 and the Highly Recommended Paper Award at the Emerald Literati Network Awards for Excellence in 2007. She is the co-editor of the book How Labor Migrants Fare?, a volume of Research in Labor Economics, and of the special issue of the Journal of International Manpower. Her research has been funded by the EU High Level Group, the Volkswagen Foundation, the Fritz Thyssen Foundation, and the International Organization for Migration. She has been invited to present her research at institutions like Princeton University, the University of Pennsylvania, George Washington University, University of Cyprus, Rand, Virginia Commonwealth University, Georgetown University, the Foreign Service Institute U.S. Department of State, Renmin University of China, and at numerous professional meetings. She has also been invited to talk at migration policy panels, and has written a dozen other reports and op-ed pieces on migration issues.

She serves on the editorial board of Applied Economics Quarterly and has been on the scientific committee of several international congresses. She is also a Research Fellow of IZA and RIIM Canada, and was a senior visiting fellow at the American Institute for Contemporary German Studies in Washington, DC in 2006. As a professor, Constant has ten years of experience in teaching undergraduate and graduate classes in economics. She has served as a visiting Professor at the Georgetown Public Policy Institute, at the University of Alabama and Drexel University. She has also organized more than twenty high-profile international conferences in Germany and the U.S., and served as referee to many scientific peer review journals and grant proposals.

Professor Constant holds a B.A. in Economics and Mathematics from the University of Athens, Greece, an M.A. in Economic Development from the University of Paris II, France, a Ph.D. in Labor Economics and Econometrics from Vanderbilt University, and had her post-doctoral fellowship at the University of Pennsylvania.

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Professor Klaus F. Zimmermann is Full Professor of Economics at Bonn University, CEO and Director of the Institute for the Study of Labor (IZA Bonn), the President of the German Institute for Economic Research (DIW Berlin), Chairman of the Society of the German Economic Research Institutes (ARGE) and Honorary Professor of Economics at the Free University of Berlin and the Renmin University of Peking.

He is a Research Fellow of the Centre for Economic Policy Research (CEPR) in London, Associate Research Fellow of the Centre for European Policy Studies (CEPS) in Brussels, Research Associate of the Center for Comparative Immigration Studies (CCIS) at the University of California-San Diego, Fellow of the European Economic Association, adviser to the President of the EU Commission (2001-2003 and since 2005), and economic adviser to the Prime Minister of North Rhine-Westphalia and a member of the World Economic Forum's Global Agenda Council on Migration (since 2008).

He is the Editor-in-Chief of the Journal of Population Economics and the Senior Editor of Applied Economics Quarterly. Zimmermann is also on the editorial board of the following journals: Recherches Economiques de Louvain, International Journal of Manpower, DIW-Wochenbericht, DIW-Vierteljahrshefte and Wirtschaftsdienst - Zeitschrift für Wirtschaftspolitik.

He has held numerous prestigious fellowships and professorships at universities in Europe, Japan, and North America, including the University of Pennsylvania, Dartmouth College, Humboldt University Berlin, Kyoto University, Japan and has received the Distinguished John G. Diefenbaker Award, 1998, of the Canada Council for the Arts.

Professor Zimmermann studied economics and statistics at the University of Mannheim, where he received his degree as Diplom Volkswirt, his doctor degree and his habilitation. From 1989-1998 he was Full Professor of Economic Theory at the University of Munich, and Director of the SELAPO Center for Human Resources in Munich; from 1993-1995 he was Dean of the Faculty of Economics, University of Munich. He is the Founder of the European Society for Population Economics (ESPE) and has served as its Secretary (1986-1992) and President (1994). He also was the Programme Director for "Human Resources" (1991-1998) and "Labour Economics" (1998-2001) for the Centre for Economic Policy Research (CEPR) in London.

His special research interests are in the areas of labor economics, population economics, migration, industrial organization, and econometrics, where he has made tremendous contributions. He is the author or editor of 33 books and over 180 papers in refereed journals and collected volumes. Professor Zimmermann also regularly writes articles for a wider audience and contributes to newspapers (about 250 articles). He is a frequently sought-after expert for debating economic policy issues on television.

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