Mario Tenuta (Ph.D., P.Ag.) is the Natural Science and Engineering Council/Western Grains Research Foundation/Fertilizer Canada Senior Industrial Research Chair in 4R Nutrient Stewardship and Professor of Applied Soil Ecology at the University of Manitoba. His training includes a B.Sc. in Botany and Physical Geography, an M.Sc. in Soil Fertility, a Ph.D. in Plant Pathology, and Post-Doctoral research in Nematology. The 4R Industrial Research Chair Program is advancing research in 4R nitrogen management practices to give farmers and industry solutions to achieving nitrous oxide emission reductions and improved soil health and crop productivity. A key feature of the Chair program is conducting farm-based research with particular attention to the outreach of findings to farmers, industry and policy-makers. Mario is leading the Living Lab farm study in Canada which will be the first on-farm green ammonia production and use facility in Canada.