Denis Creissels is Professor Emeritus at the University of Lyon. Until his retirement in 2008 he taught general linguistics at the University of Grenoble (1971-1996) and the University of Lyon (1996-2008). His research focuses on linguistic diversity, the description of less-studied languages, and morphosyntactic typology, and he has carried out fieldwork on West African languages (Baule, Manding, Balanta, Soninke, Jóola), Southern Bantu languages (Tswana), and Daghestanian languages (Akhvakh). His many publications include the widely-used Syntaxe génerale. Une introduction typologique (Hermès, 2006).