| Company | Timeline | Status | |
| Cranfield Aerospace Solutions Limited Director • Unreported | 21 Feb 2002←13 Years→11 Jun 2015 | Active | |
| Society Of British Aerospace Companies (The) Director • Director Technical | 20 Sep 2000←1 Year 1 Month→14 Nov 2001 | Dissolved | |
| Aircraft Research Association Limited Director • Director Technical | 9 Mar 1993←8 Years→31 May 2001 | Active | |
