Robert Legros has made significant contributions to the literature for biomass and waste conversion processes, particle technology, multiphase contacting systems, simultaneous heat and mass transfer phenomena, drying, integrated purification and separation systems. He has contributed to the development of innovative technologies and to the integration of absorption heat pumps in energy-intensive processes. He has made important contribution to the Canadian Chemical Engineering profession by training highly qualified personnel in the context of his research. He has held leadership position in professional organizations, chaired and organized major international conferences, served as Head of department and as associate editor of the CJChE, and he is currently president of the Canadian Society for Chemical Engineering.