Jan-Willem Romeijn

Jan-Willem Romeijn is a Professor of Philosophy of Science at the University of Groningen, affiliated with the Faculty of Philosophy's Theoretical Philosophy department. He earned dual degrees in Physics and Philosophy from Utrecht University (cum laude) and a PhD in Philosophy from the University of Groningen (cum laude, 2005). His research focuses on probability theory, statistical methodology, and their applications in science and psychiatry. Notably, he received a Vidi grant from NWO (2010) to study probability and statistical methodologies in science and business, and was named Lecturer of the Year 2009 at the University of Groningen.

Romeijn's work spans interdisciplinary collaborations, including projects on psychiatric classification, Bayesian model selection, and formal epistemology. He has advised on judicial and policy contexts and led research initiatives like the Vici project 'Gold Rush in the Data Mine' (2023). His recent articles address topics such as group deliberation dynamics, statistical weighting mechanisms, and psychiatric disorder subtyping. Romeijn also served as Dean of the Faculty of Philosophy (2020–2022) and contributes to ancillary activities like lecturing for legal professionals.