| 2013— | Deputy Director, National Health and Family Planning Commission | |
| 2007—2013 | Vice-Minister, Ministry of Health | |
| 2004—2007 | President, Beijing Union Medical College Hospital Beijing Municipality | |
| 2001—2004 | Managing Vice President, Peking Union Medical College Beijing Municipality | |
| 2001—2004 | Secretary, Peking Union Medical College CPC, Party Committee Beijing Municipality | |
| 2000—2001 | Vice-President, Ministry of Science and Technology, China Biological Engineering Development Center | |
| 1995—2001 | Director, Ministry of Science and Technology, China Biological Engineering Development Center | |
| 1995—2001 | Deputy Director, Ministry of Science and Technology, China Biological Engineering Development Center | |
| 1995—2001 | Assistant Director, Ministry of Science and Technology, China Biological Engineering Development Center | |
| 1984—1995 | Division Chief, Ministry of Health, Science and Technology Education Department |