| Company | Timeline | Status | |
| Startransfer Limited Director • Medical Doctor And Professor | 1 Jul 2020←5 Years→Current | Active | |
| Dream Learners Limited Director • Academic | 29 Apr 2014←10 Years→3 Sep 2024 | Dissolved | |
The British Neurological Research Trust Director • Scientist | 18 May 2012←6 Years→26 Feb 2019 | Dissolved | |
| Genesis Research Trust Director • Director | 21 Nov 2011←14 Years→Current | Active | |
| The UK Stem Cell Foundation Director • Scientist | 17 Jun 2005←18 Years→1 Jan 2024 | Active | |
| Atazoa Limited Director • Unreported | 23 Oct 2003←22 Years→Current | Active | |
| Cancer Research UK Director • Physician | 20 Nov 2001←2 Years 8 Months→28 Jul 2004 | Active | |
| Kayplot Limited Director • Consultant | 23 Feb 1999←26 Years→Current | Liquidation | |
| Lyric Theatre Hammersmith Limited(The) Director • Physician | 1 Aug 1997←6 Years→10 Mar 2004 | Active | |
