Edited by Frédérique Six, Associate Professor of Public Governance and Organization, the Zijlstra Centre for Public Control, Governance and Leadership, School of Business and Economics, Vrije Universiteit Amsterdam, the Netherlands and Visiting Professor, GOVTRUST Centre of Excellence, University of Antwerp, Belgium and Koen Verhoest, Professor in Public Administration and Governance, Department of Political Science and GOVTRUST Centre of Excellence, University of Antwerp, Belgium