| Company | Timeline | Status | |
| Bushmead Limited Director • Research Scientist | 8 Mar 2024←1 Year 7 Months→Current | Active | |
| Mercury Instruments Limited Director • Engineer | 1 Sep 2002←23 Years→Current | Active | |
| Systemsafe Limited Director • Engineer | 17 Jun 1999←26 Years→Current | Active | |
| Mercury Instruments Limited Director • Engineer | 2 Sep 1996←4 Years→27 Feb 2001 | Active | |
