Liu Gang is a Chair Professor at the College of Urban and Environmental Sciences and Institute of Carbon Neutrality, Peking University. During 2008 to 2022 he was a Professor of Industrial Ecology in Denmark. His research interests evolve around mapping and informing the circular, low carbon, and just transition of resource, industry, and urban systems using various geographical and environment system analysis approaches. His work has been published widely in high-profile journals such as Nature Climate Change, Nature Food, Nature Communications, and One Earth. He has been awarded the Robert A. Laudise medal by the International Society for Industrial Ecology, the James J. Morgan Early Career Award by Environmental Science & Technology, and the Best Research for Digital Built Environment by the World of Digital Built Environment. He is co-Editor-in-Chief of the Journal of Industrial Ecology and serves as an editorial board member for over a dozen other journals in the sustainability field. He has consulted or worked as ad-hoc expert for OECD, FAO, IEA, WWF, World Bank, and EU Joint Research Center.