PhD in Engineering and Public Policy, Carnegie Mellon University, US. Dean and Professor, School of Public Policy and Management, Tsinghua University. Non-Resident Senior Fellow, Brookings Institution. Member, Expert Committee on Emergency Management, State Council of China. Vice-President, China Association of Public Administration. Member, Visiting Committee, Harvard Kennedy School. Co-Chair, Leadership Council, UN Sustainable Development Solution Network. Research areas: public policy analysis and management, science and technology policy, and crisis management.