| 2002— | Vice-President, State Development and Investment Corporation | |
| 1999—2002 | Deputy Director, State Energy Commission, Comprehensive Planning Department | |
| 1995—1999 | Director, State Development and Investment Corporation, Hydropower Department | |
| 1993—1995 | Director, State Development and Investment Corporation, Power Industry Department | |
| 1993—1995 | Director, State Development and Investment Corporation, Comprehensive Planning Department | |
| 1986—1993 | Director, State Development and Investment Corporation, Strategic Development Department | |
| 1986—1993 | Deputy Director, State Development and Investment Corporation, Research and Development Department | |
| 1983—1986 | Acting General Manager, State Development and Investment Corporation, Financial Investment Department |