| Company | Timeline | Status | |
Arthromics Limited Director • Director | 23 May 1997←22 Years→11 Jun 2019 | Dissolved | |
| BTG Management Services Limited Director • Chief Operating Officer | 2 Sep 1996←6 Years→25 Oct 2002 | Dissolved | |
| Protherics Medicines Development Limited Director • Medical Director | 2 Sep 1996←6 Years→25 Oct 2002 | Active | |
