| Company | Timeline | Status | |
Fearless Unicorn Limited Director • Business Consultant | 21 Apr 2009←6 Years→4 Dec 2015 | Dissolved | |
| Systems Interface Limited Director • Avionics Engineer | 26 Apr 2000←8 Years→30 Nov 2008 | Active | |
| Systems Interface Limited Director • Avionic Systems Engineer | 23 Dec 1991←4 Years→30 Nov 1996 | Active | |
