M. Mozahar Hossain is a Professor of Chemical Engineering at King Fahd University of Petroleum & Minerals. He received his PhD from University of Western Ontario, Canada. Dr. Hossain is a Professional Engineer (PEng) registered with Ontario, Canada; Subject Editor of AJSE – Springer; Topical Editor of Catalysts – MDPI; Editorial member of IJCRE – DE Gruyter. He also served as a Guest Editor of Renewable Energy – Elsevier, and The Chemical Record - Wiley and Catalysts – MDPI. Prof. Hossain’s areas of research are Catalysis & Reaction Engineering in heavy oil upgrading, hydrocracking, hydrocarbon to olefins, blue hydrogen, ammonia cracking, natural gas to hydrogen/high value carbons, CO2 capture/utilization and biomass gasification.