Eva Thomann is a political scientist specialized in Public Policy and Public Administration. She is a Senior Lecturer in the Department of Politics at the University of Exeter, UK. Her research about the implementation of public policies in multi-level systems and at the frontline was published, amongst others, in the European Journal of Political Research, Policy Sciences, Public Administration and the Journal of Public Policy. Her article "Customizing Europe: transposition as bottom-up implementation" appeared in the Journal of European Public Policy in 2015. A single-authored book about the customization of EU food safety policy is forthcoming. Fritz Sager PhD, is Professor of Political Science at and member of the Executive Board of the Center of Competence for Public Management at the University of Bern, Switzerland, as well as Dean of the University’s Faculty of Business, Economics, and Social Sciences. He is specialized in policy research and evaluation, administrative studies and theory, organizational analysis, and Swiss politics. His research has been published in the European Journal of Political Research, Public Administration Review, Governance, Public Administration, Journal of Public Policy, Policy & Politics, Political Studies, West European Politics, Journal of Urban Affairs, American Journal of Evaluation, Public Management Review, Public Money & Management, Evaluation, and the European Political Science Review, among others. His most recent books are "The European Public Servant: A Shared Administrative Identity?" together with Patrick Overeem (2015) and a textbook in German language "Policy-Analyse in der Schweiz. Besonderheiten, Theorien, Beispiele", together with Karin Ingold and Andreas Balthasar (2017). His research has won several awards.