1999—2002 | General Manager, PetroChina Company Ltd., Finance Department | |
1999— | Chief Financial Officer, PetroChina Company Ltd. | |
1997—1999 | Deputy General Manager, China National Oil and Gas Exploration and Development Corporation | |
1997—1999 | General Accountant, China National Oil and Gas Exploration and Development Corporation | |
1995—1997 | Vice-President, China Petroleum Financial Co. Ltd. |