Christopher Pollitt was previously Professor of Government and Dean of Social Sciences at Brunel University (London -1990-98) and Professor of Public Management at Erasmus Universiteit Rotterdam (1999-2006). Christopher is author of more than 50 scientific articles and author or editor of more than a dozen scholarly books. He is a past editor of Public Administration , and currently edits the International Review of Administrative Sciences . He has also undertaken extensive consultancy and advice work for a wide variety of organizations, including the European Commission, the OECD, the World Bank, H.M Treasury, the Finnish Ministry of Finance, the Dutch Ministry of the Interior and the Danish Top Executives Forum. Geert Bouckaert is past-President of the European Group for Public Administration, and Chair of the Scientific Committee of the International Institute of Administrative Sciences. He publishes extensively on performance management and reform in the public sector.