Benjamin Martill is Lecturer in Politics and International Relations at the University of Edinburgh, UK, where he conducts research and teaching on the politics of European foreign and security policy. He is co-editor (with Uta Staiger) of the volume Brexit and Beyond: Rethinking the Futures of Europe (2018) and his work has featured in Security Studies, International Politics, the Journal of Political Ideologies and the British Journal of Politics and International Relations. He has previously worked at the London School of Economics, University College London, Canterbury Christ Church University and the University of Oxford. Sebastian Schindler is Research Associate at Geschwister-Scholl-Institute for Political Science, Ludwig Maximilians Universität, Munich, Germany. His research interests include theories of International Relations, international organisations, theories of practice and critical theories. He holds a doctoral degree from Goethe University, Frankfurt/Main, Germany, and has published articles in leading journals of the field, including International Studies Quarterly, International Theory and Politische Vierteljahresschrift. In 2014, he won Millennium – Journal of International Studies’ F.S. Northedge Essay Competition, with an article on contested agency in the United Nations. In 2019, a special issue on ‘Rethinking Agency in International Relations’, which he co-edited with Benjamin Braun and Tobias Wille, appeared in the Journal of International Relations and Development. The focus of his current research lies on the problem of post-truth politics.