Helle Krunke is Professor of Constitutional Law and Head of PhD School at the Faculty of Law, University of Copenhagen. She is First Vice President of the International Association of Constitutional Law (IACL). Her research covers (Comparative) Constitutional Law and EU Constitutional Law including the interplay between EU law and national law, trends of direct democracy, constitutional identity and solidarity. Next book publication: Helle Krunke, Hanne Petersen and Ian Manners (eds.), Transnational Solidarity. Concept, Challenges and Opportunities, Cambridge University Press, 2019 (forthcoming).