Teng Fei is a Professor and Deputy Director of the Institute of Energy, Environment and Economy, Tsinghua University. He holds B.E., M.S. and PhD in Management Science and Engineering, Tsinghua University. He is the Secretary General of the Energy Systems Engineering Committee of the China Energy Research Society, a member of the Energy Economy Committee of the Chinese Electrical Engineering Society, a member of the Committee on Climate Change and Low Carbon Development of the Chinese Meteorological Society, a member of the China National Committee of the Future Earth Initiative, and a member of the China Forum Expert Group. He is the lead author of the Fifth and Sixth Climate Change Assessment Reports of the IPCC. He has published 149 papers, with over 6,300 citations. From 2007 to 2017, he was a member of China’s negotiation team on climate change. He has long organised and participated in climate expert dialogues (Track II) between China and the United States, China and the EU, China and India, and within the BASIC group. His main research interests include global and domestic climate policy and governance, integrated assessment modelling, energy system analysis, energy economics, and climate risk and adaptation.