| Company | Timeline | Status | |
| St Edward's Church Of England School And Sixth Form College Director • Consultant Neurologist | 17 Jan 2016←8 Months→5 Oct 2016 | Dissolved | |
Essex Fatigue Services Limited Director • Neurologist | 8 Jun 2011←3 Years→14 Oct 2014 | Dissolved | |
The St Lazarus Foundation Director • Neurologist | 1 Apr 2007←3 Years→25 Apr 2010 | Dissolved | |
| Parkinson's Disease Society Of The United Kingdom Director • Consultant | 19 Jun 1993←6 Years→11 Sep 1999 | Active | |
