Meisam Tabatabaei is a Professor of Environmental Biotechnology at the Universiti Malaysia Terengganu, Malaysia. Over the last decade, Meisam has worked 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 Public Health and Climate Change (UCL, UK). He has published over 400 publications, including original research papers and reviews in journals such as The LANCET, Progress in Energy and Combustion Sciences, Nature Food, Trends in Biotechnology, and Renewable and Sustainable Energy Reviews. He is currently also a Visiting Professor at the Henan Agricultural University, China, and University of Saskatchewan, Canada. He is a member of the editorial board for the journals Progress in Energy and Combustion Sciences, Biofuel Research Journal, Scientific Reports, International Journal of Life Cycle Assessment, Data in Brief, and Energy Sources, Part A: Recovery, Utilization and Environmental Effects. Prof. Tabatabaei is the Associate Editor of Critical Reviews in Biotechnology and Resources, Environment, and Sustainability and Senior Editor of e-Prime.

Abdul-Sattar Nizami has a master's in engineering from the Chalmers University of Technology, Göteborg, Sweden. He has a Ph.D. in Sustainable Gaseous Biofuel from the School of Civil and Environmental Engineering, University College Cork, Ireland. Later, he worked at the University of Toronto, Canada as a Postdoctoral Fellow on alternative fuels, life cycle studies under the Institute for Sustainable Energy. He served the Center of Excellence in Environmental Studies (CEES) of King Abdulaziz University, Saudi Arabia, as an Assistant Professor and Head of Solid Waste Management Unit, and is currently an Associate Professor at the Sustainable Development Study Centre (SDSC), Government College University, Pakistan. He has published more than 100 papers on the topics of renewable energy, alternative fuels, waste-to-energy, catalytic pyrolysis, anaerobic digestion, and resource recovery. Dr. Nizami is an Associate Editor in Renewable & Sustainable Energy Reviews, Energy & Environment, and Frontiers in Energy Research. He is serving as an Editorial Board Member in Bioresource Technology Reports, and Energy Sources Part B.