| Company | Timeline | Status | |
| PNDS Medical Ltd Director • University Professor, Ophthalmology | 19 Oct 2023←2 Years→Current | Active | |
| 4D Optics Limited Director • Professor | 1 Nov 2007←4 Months→28 Mar 2008 | Dissolved | |
| Farnborough & Cove War Memorial Hospital Trust Ltd Director • Professor | 28 Apr 2004←15 Years→4 Nov 2019 | Active | |
