Etienne Piguet is Professor of Geography at the University of Neuchâtel (Switzerland) and nominated expert for the Intergovernmental Panel on Climate Change 5th report (working group II on the impacts, adaptation and vulnerability to climate change). He is specialized in migration and refugee studies and a member of the steering committee of the population geography commission/International Geographic Union. He is an internationally recognized expert about the links between human migration and environmental degradation. Author of several books on migration policy and immigrant minorities in Switzerland, as well as of a 2008 report on climate change and migration for the Office of the High Commissioner for Refugees. Antoine Pécoud has been with UNESCO's Section on International Migration and Multicultural Policies since 2003 and is a research associate at the Unité de Recherche Migrations et Société, University of Paris VII, and at Migrations Internationales, Espaces et Sociétés, University of Poitiers (France). He holds a BA from the University of Lausanne and a Ph.D. in social and cultural anthropology from the University of Oxford. His research has focused on migration management, immigrant entrepreneurship in Germany and the human rights implications of international migration. His co-edited books include Migration without Borders: Essays on the Free Movement of People (2007), Migration and Human Rights: The United Nations Convention on Migrant Workers' Rights (2009) and The Politics of International Migration Management (2010). Paul de Guchteneire is head of the Programme on International Migration and Multicultural Policies at UNESCO and director of the Diversities journal. He has worked as an epidemiologist at the Netherlands Cancer Research Foundation and is a past director of the Steinmetz Institute of the Royal Netherlands Academy of Arts and Sciences and a former president of the International Federation of Data Organizations. His current research focuses on the human rights dimension of international migration and the development of policies for migration management at the international level. His publications include Democracy and Human Rights in Multicultural Societies (2007), Migration without Borders: Essays on the Free Movement of People (2007), Migration and Human Rights: The United Nations Convention on Migrant Workers' Rights (2009), as well as several works on data collection and analysis in the social sciences.
