Andrew Geddes is Professor of Politics at the University of Sheffield. During the 2012-13 academic year, he is a Robert Schuman Fellow at the Migration Policy Centre at the European University Institute in Florence, Italy. He has published extensively on the politics of international migration. Between 2009-11, he was a member of the Lead Expert Group that oversaw the report Migration and Global Environmental Change: Future Challenges and Opportunities for the UK Government Office for Science.