Cristina Fraenkel-Haeberle, (1964) Privatdozentin, Dr. iur, Research Fellow at the German Research Institute for Public Administration Speyer; former Senior Researcher at the Institute for Studies on Federalism and Regionalism at EURAC, Bolzano/Bozen (Italy). Her main research is on comparative public law. Sabine Kropp, (1964) Professor of German Politics at the Otto Suhr Institute of Political Science, Free University Berlin. Her main research is on comparative federalism and multilevel governance as well as on parliamentarism and public administration.Francesco Palermo, (1969) Professor of Comparative Constitutional Law at the University of Verona and Director of the Institute for Studies on Federalism and Regionalism at EURAC, Bolzano/Bozen (Italy). His main research is on comparative federalism, minority rights, constitutional adjudication and European law.Karl-Peter Sommermann, (1956) Professor of Public Law, Political Theory and Comparative Law at the German University of Administrative Sciences Speyer. His main research is on the Europeanisation of constitutional and administrative law, comparative law, human rights protection and development cooperation.