Dr. Abu Zahrim Yaser is an Associate Professor in Waste Processing Technology at the Faculty of Engineering, Universiti Malaysia Sabah, Malaysia. He is a member of Institutions of Chemical Engineers (United Kingdom), Board of Engineers (Malaysia), MyBIOGAS (Malaysia), and a visiting scientist at the University of Hull. He obtained his PhD from Swansea University (UK), MSc from Universiti Kebangsaan Malaysia (Malaysia) and BEng from University of Malaya (Malaysia). His research mainly focuses on waste processing technology. He has published 10 books, 20 book chapters, 47 journals and 50+ other publications. He was the Guest Editor for Environmental Science and Pollution Research special issue. He won several medals in innovation competition including gold medal at iENA 2018, Germany. His innovation entitled “UMS Organic Compost? helps Sabah state to win “Best State Innovation Award? at IGEM 2019. His invention, the Auto Turning Active Zone Yield Composter (Auto AZY) has been adopted by Tongod District Council, Sabah, for managing their organic waste. Besides that, he is actively involved as a reviewer for several journals. Elsevier (UK) has recognized him as among the Outstanding Reviewers for Journal of Environmental Chemical Engineering (2018).