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Professor in Science, Technology, and Innovation Studies at the Centre for Science and Technology Studies (CWTS), and dean of the Faculty of Social Sciences in Leiden. 

Sarah specialises in social studies of research evaluation, and has published widely on the topic of the relations between quality control mechanisms and knowledge production in different fields. She has also developed a strong international public academic presence with outreach activities in science policy, speaking frequently on the topic of research evaluation and metrics uses.


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In 2023, Sarah was appointed by the Dutch Minister of Science and Education as member of the Unesco Netherlands Committee.

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Sarah chairs the Global Scoping Group of the International Science Council, InterAcademy Partnership, and Global Young Academy initiative on research assessment (2022-2023).

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