| Company | Timeline | Status | |
| Portland Museum Trust Director • Retired | 5 Nov 2008←1 Year 8 Months→1 Aug 2010 | Active | |
| Prospect Patents Limited Director • Dental Hygenist | 9 Oct 2003←20 Years→12 Mar 2024 | Dissolved | |
| Prospect Patents Limited Secretary • Unreported | 9 Oct 2003←20 Years→12 Mar 2024 | Dissolved | |
