| 2001— | Executive Director, China Telecom Corporation | |
| 2001— | Executive Vice-President, China Telecom Corporation | |
| 1996—2001 | Deputy Director, Ministry of Posts and Telecommunications, Telecommunications Transmissions Research Center | |
| 1996—2001 | Chief Engineer, Ministry of Posts and Telecommunications, Telecommunications Transmissions Research Center | |
| 1994—1996 | Deputy Director, Ministry of Posts and Telecommunications, Telecommunications Science Planning and Research Institute | |
| 1986—1994 | Deputy Director, Ministry of Information Industry, Telecommunications Research Institute | |
| Graduate, Tsinghua University Beijing Municipality |