Dr. Zhang Xiliang is a professor and director of the Institute of Energy, Environment and Economy at Tsinghua University. Professor Zhang is a member of the National Experts Panel on Climate Change and the president of the China Emissions Trading Association. He has been heading the expert group of national carbon market design since 2015. He was a lead author of the fourth and fifth IPCC Climate Change Assessment Report. He was granted the Leading Talent Award by Ministry of Ecology and Environment and the First Award for Humanity and Social Science Research by Ministry of Education in 2020. His current research interests include low-carbon energy economy transformation, climate change economics, and climate change policy and mechanism design. Professor Zhang holds a PhD in Systems Engineering from Tsinghua University.