| Company | Timeline | Status | |
| Stablepharma Limited Director • Director | 26 Jan 2012←13 Years→Current | Active | |
| Quadrant Healthcare Limited Director • Director | 1 May 1996←4 Months→30 Aug 1996 | Dissolved | |
Quadrant Healthcare (UK) Limited Director • Scientific Director | 14 Jul 1992←4 Years→30 Aug 1996 | Dissolved | |
Quadrant Bioresources Limited Director • Scientific Director | 14 Jul 1992←4 Years→30 Aug 1996 | Dissolved | |
| The Company Of Biologists Director • Scientist | 23 Jun 1991←3 Years→6 Jan 1995 | Active | |
