| Company | Timeline | Status | |
| Vaccine Technology Limited Director • Director | 26 Nov 2004←20 Years→Current | Active | |
| Vaccine Technology Limited Secretary • Unreported | 26 Nov 2004←3 Years→6 Mar 2008 | Active | |
Business Critical Systems Limited Secretary • Unreported | 8 Mar 2002←9 Years→12 Nov 2011 | Dissolved | |
Business Critical Systems Limited Director • Consultant | 9 Feb 2001←10 Years→12 Nov 2011 | Dissolved | |
| Allergy Therapeutics (Holdings) Limited Director • Director | 18 Jun 1998←2 Years 7 Months→31 Jan 2001 | Active | |
| Allergy Therapeutics (UK) Limited Director • Director | 29 Jan 1998←3 Years→31 Jan 2001 | Active | |
| Haleon UK Research Limited Director • Executive | 29 Jul 1994←4 Years→13 Aug 1998 | Active | |
