Tycho van Tartwijk is currently investigating the role that economic inequality plays in cooperation and conflict in within- and between-group settings. Specifically, he is interested in the way in which inequality affects discrimination (parochialism) in cooperation and conflict.

Edmund Frettingham is Assistant Professor in International Relations at Leiden University College. His primary research interests lie in security studies and religion in international politics, with particular focus on theories of security, approaches to the study of religion in international politics,…

Casper Wits is a University Lecturer in the Institute for Area Studies. His research focuses on postwar diplomatic and international history in East Asia, with a special interest in the development of Chinese and Japanse foreign policy and Sino-Japanese relations in this period. He also takes an interest…

Maximilian Wachter is a PhD candidate at the Institute of Political Science.

Hirad Rezaiejoo is a lecturer of Political Science and International Relations at the Institute of Political Science.

Matthew DiGiuseppe is an associate professor of International Relations and Director of Postgraduate Studies at the Institute of Political Science.

Michael Sampson is Assistant Professor of International Relations at the Institute of Political Science

Patrick Antenbrink participates as a PhD-candidate in the programme of the Dual PhD Centre in The Hague. Thesis working title: 'Public-private cooperation in intelligence and the influence on public accountability’.

Rob de Wijk is Professor of International Relations at Leiden University. Besides that, he is also chairman of the National Security Think Tank (Denktank Nationale Veiligheid) and columnist for the national daily newpaper Trouw and monthly for Energiepodium.nl.

Adva Eichengreen (alias Eichengrün) is a postdoctoral researcher in the Developmental and Educational Psychology unit of the Institute of Psychology at Leiden University.

Kai Hebel (DPhil, Oxford University) is Assistant Professor of International Relations. Dr. Hebel’s research interests include international security, diplomacy, international history, cultural studies and IR theory. He has published on a wide range of topics, including military intervention, the Cold…

John-Harmen Valk is a University Lecturer at the Leiden University Centre for the Study of Religion.

Sem Grootscholten researched the impact of civil servants on political decision-making and the change in relations between public and private parties in the educational material industry as a result of changing laws.

Daniel Schade is a Lecturer in European Studies and International Relations at Leiden University. His research focuses on the European Union and its external relations regime, in particular.

I am a South African IR scholar whose research interest is questioning Western-centric narratives and making sense of international relations from the perspectives of the global South, particularly Africa. Before joining Leiden University in 2017, I was based at the University of Cape Town, where I…