| Company | Timeline | Status | |
| Siemens Industry Software Limited Director • Unreported | 1 Dec 1997←2 Years 10 Months→24 Oct 2000 | Active | |
| Crescentone Software Limited Director • Business Executive/general Manager | 22 Oct 1991←9 Days→31 Oct 1991 | Active | |
| Crescentone Software Limited Director • Unreported | 1 Jan 1970←21 Years→31 Oct 1991 | Active | |
