Professor Ludo Zanzotto has been making contributions to engineering research and knowledge, particularly in the material science of asphalt, for almost 40 years. Modified asphalt materials with improved engineering properties have led to the increased service life of asphalt pavement. He has contributed to new specifications, materials and methodologies that have led to the improved competitiveness of Canadian products. As chairholder of the NSERC / John Lau Husky Energy Industrial Research Chair in Bituminous Materials, he has also established an internationally renowned research centre, developed a world-class multidisciplinary research team and provided advanced education for highly qualified personnel.