| 2008— | Deputy Director, State Administration for Work Safety | |
| 2007— | Member, 17th CPC, Central Committee | |
| 2002—2007 | Director, Civil Aviation Administration of China, General Administration | |
| 2002—2007 | Member, 16th CPC, Central Committee | |
| 1999—2002 | Deputy Director, Civil Aviation Administration of China, General Administration | |
| 1998—1999 | Head, Civil Aviation Administration of China, Flying Standard Department | |
| 1998— | Deputy President, China Southern Airlines | |
| 1996—1998 | Chief Pilot, China Southern Airlines | |
| 1993—1996 | Deputy Chief Pilot, China Southern Airlines | |
| 1989—1993 | Deputy Regiment Head, Civil Aviation Administration Guangdong Province, Guangzhou City |
| 01/10/08 | Li Jiaxiang was appointed Acting Director of the General Administration of Civil Aviation. |
| 07/10/07 | Yang Yuanyuan and US Secretary of Transportation Mary Peters signed an aviation agreement between two countries. |
| 06/30/05 | Yang Yuanyuan met with Vice-President of the EU Commission Jacques Barrot. |
| 12/27/04 | Yang Yuanyuan made remarks at a national conference of of the General Administration of Civil Aviation of China (CAAC). |
| 12/27/04 | Yang Yuanyuan made remarks at a national conference of of the General Administration of Civil Aviation of China (CAAC). |