Saskia Sassen is the Ralph Lewis Professor of Sociology at the University of Chicago, and Centennial Visiting Professor at the London School of Economics. Her books have been translated into thirteen languages and include Denationalization: Territory, Authority and Right, Global Networks/Linked Cities, Guests and Aliens, and The Global City: New York / London / Tokyo. She has also served as co-director of the Economy Section of the Global Chicago Project, a Member of the National Academy of Sciences Panel on Urban Data Sets, a Member of the Council of Foreign Relations, and Chair of the newly formed Information Technology, International Cooperation and Global Security Committee of the SSRC.