T. M. Indra Mahlia is a Distinguished Professor at the School of Civil and Environmental Engineering, UTS, and a highly-cited researcher in the field of engineering. Professor Mahlia is a core member of the University’s Centre for Technology in Water and Wastewater (CTWW). His research interests include Sustainable Energy, Energy and Fuels, Renewable Energy, Techno-economic analysis, and Life-Cycle Cost Analysis. He is involved as a researcher in more than $5 million projects funded by various sources. He is listed as a Highly-Cited Researcher in Engineering by Clarivate Analytics from 2017 to 2021 and a field leader in Sustainable Energy (Engineering & Computer Science) in a special report published by The Australian in 2019. He was appointed as a professor at the Department of Mechanical Engineering at the University of Malaya, Kuala Lumpur in 2009. His publications include more than 350 journal articles, proceedings, and research reports, of which more than 300 are in WOS and Scopus indexed. A polyglot, Professor Mahlia is fluent in and can peer-review in English, Indonesian, Malay, and Achinese.