Dr Nabisab Mujawar Mubarak is an Associate Professor at the Faculty of Engineering, Universiti Teknologi Brunei, Brunei Darussalam. He is a scientific reviewer in numerous Chemical Engineering and Nano Technology journals. In research, Dr. Mubarak has published more than 400 journal papers and 40 conference proceedings, authored 80 book chapters, and has a 77 H-index. His areas of interest are carbon nanomaterial synthesis, magnetic biochar production using microwaves, and wastewater treatment using advanced materials. He receives the Curtin Malaysia Most Productive Research award, Outstanding Faculty of Chemical Engineering award, Best Scientific Research Award London, and Exceptional Scientist in publication and citation by i- Proclaim, Malaysia. Since 2020, he has also been listed in the top two percent of the world's most influential scientists in chemicals and energy. The List of the Top 2% of Scientists in the World compiled and published by Stanford University is based on their international scientific publications, the number of scientific citations for research, and participation in the review and editing of scientific research. Dr. Mubarak is a Fellow Member of the Institution of Engineers Australia, a Chartered Professional Engineer (CPEng) of The Institution of Engineers Australia, and a Chartered Chemical Engineer of the Institute of Chemical Engineering (IChemE), UK. He has published 11 books and is co-editor for ongoing Elsevier-edited books: 1) Nanomaterials for Carbon Capture and Conversion Technique, 2) Advanced Nanomaterials and nanocomposites for Bioelectrochemical Systems, 3) Water Treatment Using Engineered Carbon Nanotubes,4) Hybrid Nanomaterials for Sustainable Applications: Case Studies and Applications, 5), Sustainable Nanotechnology for Environmental Remediation, 6) Nanotechnology for Biomedical Applications,7) Nanotechnology for Electronic Applications, 8) Application of Bio-Additives for the Food Industry, 9) Contemporary Nanomaterials in Material Engineering Applications, 10)Fundamentals of Biomaterials: A Supplementary Textbook, 11) Emerging Water Pollutants: Concerns and Remediation Technologies.