Dr. Hafiza Shukor is Senior Lecturer specializing in the areas of fermentation technology (biofuel and biomass treatment) at the Faculty of Chemical Engineering Technology, Universiti Malaysia Perlis (UniMAP). She received her Ph.D. from Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia (UKM) under the field of Chemical and Process Engineering, and she obtained her Bachelor Degree and M,Sc. in Chemical Engineering from School of Chemical Engineering, Universiti Sains Malaysia (USM). Her current specialization is in biomass treatment technology, bioconversion of biomass to biofuels (biobutanol, bioethanol, and biohydrogen), and wastewater treatment using biomaterials as biosorbent (biological treatment). Dr. Muaz Mohd Zaini Makhtar is Senior Lecturer in Bioprocess Technology at the School of Industrial Technology, Universiti Sains Malaysia (USM). He is also Head of Sustainable Development Goals #15: Life on Land under Centre for Global Sustainability Studies (CGSS) in USM. He earned his M.Sc. and Ph.D. from the Universiti Sains Malaysia under School of Chemical Engineering. While his Bachelor's degree from Universiti Malaysia Perlis (UniMAP). Dr. Muaz has authored six book chapters and over 24 technical publications that have been peer-reviewed. His research interests are in bioprocess technology and bioconversion of waste, focusing on biological treatment technologies; microbial fuel cell (MFC) for waste treatment, and recovery of energy. Dr. Abu Zahrim Yaser is Associate Professor in Waste Processing Technology at the Faculty of Engineering, Universiti Malaysia Sabah. He obtained his Ph.D. from Swansea University. Dr. Zahrim has published 7 books, 19 book chapters and over 90 other refereed technical papers. Dr. Zahrim is Visiting Scientist at the University of Hull and Member of Institutions of Chemical Engineers (United Kingdom), Board of Engineers (Malaysia) and MyBIOGAS.