| Company | Timeline | Status | |
| British Astronomical Association(The) Director • Retired | 25 Oct 2017←8 Years→Current | Active | |
| British Astronomical Association(The) Director • Retired | 25 Oct 2017←7 Years→30 Oct 2024 | Active | |
Kirs Consulting Limited Director • Geophysicist | 25 Oct 2009←10 Years→5 Nov 2019 | Dissolved | |
