Walter Mattli is Professor of International Political Economy at the University of Oxford. He joined Oxford in 2004 after teaching for a decade at Columbia University in New York. He received his undergraduate degree from the University of Geneva and his Ph.D. from the University of Chicago. Before beginning his graduate studies, he worked in international banking in New York. He has held fellowships at the Wissenschaftskolleg (Institute for Advanced Studies) in Berlin, the American Academy in Berlin, Princeton University, and the European University Institute in Florence.