| 服務機構 | 職稱 | 部門/系所 | 起訖年月 |
| BNF Consulting, Australia | Lead consultant | Customer service | 1997 -2001 |
| IBM Greater China | Consulting Manager | Global Consulting | 1993 -1997 |
| KPMG Peat Marwick | Consulting manager/MIS manager | Consulting | 1991 -1993 |
| American Institute of CPAs, USA | Project manager | MIS department | 1987 -1991 |
