| Company | Timeline | Status | |
| Aerospacehv Ltd Director • Electrical Engineer | 24 Apr 2018←7 Years→Current | Active | |
| High Voltage Design Ltd Director • Unreported | 18 Jun 2012←13 Years→Current | Active | |
| Arago Technology Limited Director • Professor Of Hv Technology | 31 Mar 2010←15 Years→Current | Liquidation | |
