| Company | Timeline | Status | |
| Eye Technology Limited Secretary • Director | 30 Dec 2002←11 Months→15 Dec 2003 | Active | |
| Vision Instruments Limited Director • General Manager | 28 Feb 2000←3 Years→31 Jul 2003 | Dissolved | |
| Vision Instruments Limited Secretary • General Manager | 28 Feb 2000←3 Years→31 Jul 2003 | Dissolved | |
| Eye Technology Limited Director • Managing Director | 20 Sep 1995←8 Years→15 Dec 2003 | Active | |
