Tanja A. Börzel is Director of the Center for European Integration and the Center of Excellence “The EU and its Citizens” at the Freie Universität Berlin. She received her PhD from the European University Institute in Florence, Italy in 1999. From 1999 to 2004, she conducted her research and taught at the Max Planck Institute for Research on Collective Goods in Bonn, the Humboldt-Universität zu Berlin and the University Heidelberg. Her research focus and teaching experience lie in the field of institutional theory and Governance, European Integration, and Comparative Politics with a focus on Western and Southern Europe. She mainly concentrates on questions of institutional change as a result of Europeanization as well as on the diffusion of European ideas and policies within and outside of the EU. Since 2009 she has been leading the Kolleg-Forschergruppe (KFG) “The Transformative Power of Europe” together with Prof. Dr. Thomas Risse and she is project coordinator of the FP-7 research project “Maximizing the Enlargement Capacity of the European Union”.