Didier LE CERF is a professor of Chemistry in the Laboratory Polymers Biopolymers Surfaces (UMR6270 CNRS) and leads the research group of Complex Colloidal Systems at Normandy Rouen University, France. He obtained his Ph.D. in Chemistry and the Physics-Chemistry of Polymers (1992) at Pierre & Marie Curie University (Paris VI) in Paris. His research interests include the functionalization of polysaccharides, responsive materials and self-assemblies.