| Company | Timeline | Status | |
| Matrics Limited Director • Electronic Design Engineer | 5 Oct 2006←2 Years 2 Months→31 Dec 2008 | Active | |
| Matrics Limited Secretary • Electronic Design Engineer | 5 Oct 2006←2 Years 2 Months→31 Dec 2008 | Active | |
| Garfield Microelectronics Limited Director • Director | 29 Mar 1994←14 Years→31 Dec 2008 | Active | |
