Dr. Lei YANG is Research Professor and Deputy Dean of the Institute of Energy, and Deputy Dean of Institute of Carbon Neutrality, Peking University. He is Chair of International Gas Union coordination committee. He has served as Senior Advisor to the Executive Director Fatih BIROL of the International Energy Agency from 2016 to 2019, Director and Deputy Director General of National Development and Reform Commission and the National Energy Administration of China since 2002. He is committed to promoting energy transition, energy reform, and global energy governance, participated in the research and formulation of a number of energy policies. He is the author of several popular energy related books and articles. He was the cofounder of Institute of Energy, Peking University.