He is also a regular member of the Centre interuniversitaire de recherche sur la science et la technologie and the chairholder of the Canada Research Chair on the Transformations of Scholarly Communication. Specialized in bibliometrics and research methodology, he writes a monthly column in the Acfas magazine called «Les mesures de la science». His numerous french and english publications are mostly about bibliometrics, infometrics and science policy. He owns a master degree in history from Université du Québec à Montréal and a PhD in information studies from McGill University.