| Company | Timeline | Status | |
| Michelson Diagnostics Ltd Director • Non Executive Director | 29 Jun 2010←5 Years→25 Sep 2015 | Active | |
| Optos Public Limited Company Director • Design Consultant | 6 Oct 1992←16 Years→31 Mar 2009 | Active | |
| Creos Limited Director • Director | 31 Dec 1989←8 Years→25 Feb 1998 | Liquidation | |
| Mason Digital Mapping Limited Director • Director | 30 Apr 1988←2 Years→22 May 1990 | Active | |
