Researcher at CWTS, Leiden University, working in the social studies of science, with particular focus on Open Science in the context of Responsible Research Assessment. Leading development of an 'Open Science Assessment Framework' in the GraspOS (Horizon Europe) project; and co-leading CoARA working group: Towards Open Infrastructures for Responsible Research Assessment. Member of the CWTS focal areas Information & Openness and Evaluation & Culture.

Advisor, Innovation Team at SURF (collaborative IT for Dutch education and research), focused on Open Research Information, with particular focus on Persistent Identifiers (PIDs). Leading development of the EOSC RAiD service in the FAIRCORE4EOSC (Horizon Europe) project. Member of the (ARDC) RAiD advisory group.