| Company | Timeline | Status | |
| King Analytical Limited Secretary • Unreported | 22 Apr 2004←21 Years→Current | Active | |
| King Analytical Limited Director • Research Fellow | 20 Feb 2003←22 Years→Current | Active | |
| Galactogen Products Limited Director • Principal Research Fellow | 29 Oct 1996←7 Years→30 Apr 2004 | Dissolved | |
