| Company | Timeline | Status | |
| Ovarian Cancer Action Director • Professor Emeritus | 9 Jan 2018←7 Years→Current | Active | |
| 4C Medical Limited Director • Professor Of Medicine | 12 Mar 2010←13 Years→23 Nov 2023 | Dissolved | |
| Consultants International Limited Director • Professor Of Medicine | 17 Feb 2006←8 Years→8 Jul 2014 | Dissolved | |
| Strategic Consultants International Limited Director • Professor Of Medicine | 1 Feb 1992←32 Years→12 Mar 2024 | Dissolved | |
