When the nation is not enough. Democratic rights on the global stage, 1870-1970. Leiden University, 14-16 January 2016.

Visions of Empire in Dutch History. From the early modern period to the 21st century. Leiden University, 29-30 September 2016.

Global Regionalism. Leiden University, 27-28 January 2017.

Associate of the Africa Studies Centre Leiden.
Centre for the Study of Internationalism (Birkbeck College, University of London).
Contemporary History Research Group, the Netherlands.
History of International Organizations Network.
‘History of the idea of Europe’ Network.
Koninklijk Nederlands Historisch Genootschap (Royal Dutch Historical Society).
Leiden University Centre for International Relations.
New Diplomatic History Network.
RICHIE (Réseau International de jeunes Chercheurs en Histoire de l’Integration Européenne).