2002— | Vice-President, PetroChina Company Ltd. | |
2001—2002 | General Manager, PetroChina Company Ltd., Exploration and Production Department | |
1999—2001 | Deputy General Manager, PetroChina Company Ltd., Exploration and Production Department | |
1998—1999 | Director, China National Petroleum Corporation, Oil and Gas Exploitation Department | |
1994—1997 | Deputy Director, China National Petroleum Corporation, Exploration and Production Bureau | |
1994—1997 | Director, China National Petroleum Corporation, Exploration and Production Bureau |