I am Executive Director of the Barcelona Declaration on Open Research Information.

I worked with NWO and ZonMW to analyze the openness of publications from publication year 2023 resulting from NWO/ZonMW-funded research, using openly accessible research information and metadata.

For the Open Research Information Agenda (ORIA) of SURF/UNL, I analysed the coverage and quality of open metadata for Dutch research output.

For the European Commission, I wrote a report on the development, diversity, and transparency of costs of scientific publishing in Europe.

For the European DIAMAS project, I worked with Utrecht University on mapping the European landscape of Institutional Publishing Service Providers.

Study commissioned by UK Research and Innovation (UKRI) to Research Consulting Ltd to develop a monitoring and evaluation (M&E) framework for their Open Access policy.

Charting the changing scholarly communication landscape