Director and Professor, Center for Internet Governance,Tsinghua University; Professor, Institute of Computing Technology, Chinese Academy of Sciences； Vice Chair, Internet Society of China; Commissioner, Global Commission on the Stability of Cyberspace (GCSC); Commissioner, Global Information Infrastructure Commission (GIIC); Councilor, Security and Stability Advisory Committee(SSAC), ICANN. Experiences: President and CEO, China Internet Network Information Center(CNNIC); Vice President, Internet Corporation for Assigned Names and Numbers (ICANN). Board member of China Communications Standards Association (CCSA); WG Chair of Internet Engineering Task Force (IETF); MAG member of Internet Governance Forum (IGF) of United Nations; Global Agenda Council on the Future of the Internet, WEF Global Agenda Council on Cybersecurity, WEF Global Future Council on Blockchain, WEF Ten Outstanding Youth of China Software Industry (2008); China Youth Medal, the highest award for youth in China (2009); Young Global Leader(2014).