| Company | Timeline | Status | |
| Oakfield Residents Limited Director • Retired | 24 Oct 2016←9 Years→Current | Active | |
| Oakfield Residents Limited Director • Retired | 24 Oct 2016←8 Years→12 Dec 2024 | Active | |
| Novostea Limited Director • Emeritus Professor | 6 Oct 2011←9 Years→16 Mar 2021 | Dissolved | |
