Denis Rodrigue is a Professor of Chemical Engineering at Laval University in Quebec City, Canada. His main research interests are related to the characterization and the modelling of the chemical, electrical, mechanical, morphological, physical, thermal and rheological properties of polymer foams and composites, based on thermoplastics and elastomers. Recently his work has concentrated on polymer recycling and long term performance. He is currently the co-editor of the Journal of Cellular Plastics and Current Applied Polymer Science.