Dr. Qiao Heng, leader of Sustainable Economic and Social Modeling & Forecasting Group. He is an Associate Professor and the head of department of Economics, School of Economics in Central University of Finance and Economics. Dr Heng Qiao received his PhD degree at Beijing University of Aeronautics and Astronautics. He worked as a post doctor at the University of Duisburg-Essen in Germany from 2007 to 2008, which was supported by the German government. After that, he had been an assistant professor and then an associate professor at the University of Konstanz (Exzellenzinitiative) in Germany during 2008 to 2010. At the same time, he lectured in ‘advanced microeconomics’, ‘auction theory and market design’ and‘game theory’ for the master students in Germany. His research interests fall in market design, auction theory, game theory, environmental economics and experimental economics. He published many scientific papers in top journals internationally and nationally.