Meisam Tabatabaei is a Professor of Environmental Biotechnology at the Universiti Malaysia Terengganu, Malaysia. Over the last decade, Meisam has been working closely with the United Nations Development Program (UNDP) to promote waste-oriented biofuels in the developing world. Since 2016, he has been the lead collaborator of the Lancet Commission on Health and Climate Change; also known as the Lancet Countdown (UCL, UK), an international collaboration consisting of 99 scientists from 51 universities, research institutes, and UN organizations including the WHO and World Bank. Dr. Tabatabaei has been leading the "marine food security and undernutrition" indicator of The Lancet Countdown. He has published over 350 publications, including original research papers and reviews in journals such as The Lancet (Impact Factor: 202.731), Joule (Impact Factor: 46.048), Nature Food (Impact Factor: 20.43), Progress in Energy and Combustion Sciences (Impact Factor: 35.339), Trends in Biotechnology (Impact Factor: 21.942), Renewable and Sustainable Energy Reviews (Impact Factor: 16.799), etc. (Citations: >21,500, h-index: 73, i10 index: 257; December 2022, Google Scholar). He is currently also a Visiting Professor at the Henan Agricultural University (China), where he has been contributing to an international collaboration platform for conducting high- profile research projects. He holds the Global Ambassador position at the University of Saskatchewan (USask, Canada), working with prominent USask researchers and scholars in the field of Sustainable Aquaculture within the framework of Circular Bioeconomy and with a focus on Climate Change, Future Food, and Indigenous Knowledge Sharing. Dr. Tabatabaei is listed on the Web of Science Highly Cited Researchers List (Top 0.1% scientists in the world) in Engineering Category. He is the Editor of the Book Volumes "Biogas: Fundamentals, Process, and Operation", "Biodiesel: from Production to Combustion", and "Fungi in Fuel Biotechnology", which have been published by Springer Nature and is on the Editorial/Advisory Board of Scientific Reports (Nature Publishing Group), International Journal of Life Cycle Assessment (Springer), Data in Brief (Elsevier), and Energy Sources, Part A: Recovery, Utilization and Environmental Effects (Taylor & Francis). Meisam is the EiC of Biofuel Research Journal, Associate Editor of the Journal of Cleaner Production (Elsevier; Impact Factor: 11.072), Cleaner Environmental Systems (Elsevier), and Resources, Environment and Sustainability (Elsevier), and Senior Editor of e-Prime (Elsevier). Dr. Tabatabaei is also the Guest Editor of Special Issues in Biotechnology Advances (Elsevier; Impact Factor: 17.681), Renewable & Sustainable Energy Reviews (Elsevier; Impact Factor: 16.799), and Science of the Total Environment (Elsevier; Impact Factor: 10.753). Meisam is the Co-Editor-in-Chief of the Elsevier's Book Series on Biomass and Biofuels. Meisam has successfully supervised/co-supervised 36 Ph.D. (11; 9 as the main supervisor) and MSc. (25; 20 as the main supervisor) students. Dr. Tabatabaei has actively contributed to successful international grant applications amounting to over 7 million USD as project leader or lead collaborator.