| 1998— | Vice-Chairman, CPPCC, Municipal Committee Beijing Municipality | |
| 1998—2003 | Member, 9th CPPCC, National Committee, Standing Committee | |
| 1997— | Chairman, Revolutionary Committee of Chinese Kuomintang (RCCK), Municipal Committee Beijing Municipality | |
| Deputy Director, Beijing University, Micro Electronics Research Institute Beijing Municipality | ||
| Professor, Beijing University, Micro Electronics Research Institute Beijing Municipality | ||
| Lecturer, Beijing University, Computer Department Beijing Municipality | ||
| Assistant, Beijing University, Physics Department Beijing Municipality | ||
| 1990 | Joined, Revolutionary Committee of Chinese Kuomintang (RCCK) |