| Company | Timeline | Status | |
| Windmill Software Limited Secretary • Design Engineer | 28 Feb 2002←18 Years→18 Feb 2021 | Dissolved | |
| Biodata Limited Secretary • Unreported | 20 Sep 1991←34 Years→Current | Active | |
| Biodata Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
