Dr. Arulazhagan Pugazhendi is Associate Professor at the Department of Marine Biology and Head of Environmental Microbiology and Biotechnology Unit at Center of Excellence in Environmental Studies, King Abdulaziz Universityz, Jeddah, Saudi Arabia. He is expertised in Bioremediation, Extremophiles, Bioenergy production, Biohydrogen Production, Industrial and domestic wastewater treatment, Application of artificial intelligence in wastewater treatment and bioenergy production. He has published about more than 68 papers in various peer reviewed international journals and serves as principle investigator for various research projects funded by ministry of education Saudi Arabia and consultancy projects by Industrial Sectors in Saudi Arabia. His teaching disciplines include Marine Microbiology, Marine Biotechnology, Marine Pollution, Marine Ecology, Marine Experimental Design, Marine Biodiversity, Environmental Microbiology and Biotechnology.