2012—2017 | Deputy Director, Cyberspace Administration of China | |
2008—2011 | Director, Ministry of Industry and Information Technology, Communication Safeguard Bureau | |
2006—2008 | Director, National Computer Network Emergency Response Technical Team Coordination Center | |
2002—2008 | Secretary, National Computer Network Emergency Response Technical Team Coordination Center CPC, Party Committee | |
1998—2008 | Deputy Director, Ministry of Industry and Information Technology, Telecommunication Management Bureau | |
1983—1998 | Director, Ministry of Posts and Telecommunications, Telecommunications Administration | |
1983—1998 | Director, Ministry of Posts and Telecommunications, Internet Networking Management Center | |
1978—1983 | Teacher, Beijing Institute of Posts and Telecommunications Beijing Municipality |