Dan Sperber is a French social and cognitive scientist. His most influential work has been in the fields of cognitive anthropology and linguistic pragmatics: developing, with British psychologist Deirdre Wilson, relevance theory in the latter; and an approach to cultural evolution known as the 'epidemiology of representations' in the former. Sperber currently holds the positions of Directeur de Recherche émérite at the Centre National de la Recherche Scientifique and Director of the International Cognition and Culture Institute.