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 SCOSS, I worked together with participating infrastructures to develop strategies for achieving their funding goals, as well as to contribute to the general strategy of SCOSS.

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.

Assessing and comparing coverage and quality of open metadata sources

I4OA calls on all scholarly publishers to open the abstracts of their published works, and where possible to submit them to Crossref.

Collecting COVID-related preprints and links to published articles from open metadata

Charting the changing scholarly communication landscape