| Company | Timeline | Status | |
| Sellafield Limited Director • Non-executive Director, Chair | 2 May 2024←1 Month→30 Jun 2024 | Active | |
| Dounreay Site Restoration Limited Director • Chair Person | 31 Mar 2021←2 Years→1 Apr 2023 | Active | |
| Research Sites Restoration Limited Director • Director | 1 Sep 2019←6 Years→Current | Active | |
| Nuclear Restoration Services Limited Director • Director | 1 Sep 2019←6 Years→Current | Active | |
| Rolls-Royce Controls And Data Services Limited Director • Director | 2 Jan 2014←1 Year 10 Months→13 Nov 2015 | Active | |
| Optimized Systems And Solutions Limited Director • Director | 2 Jan 2014←1 Year 3 Months→1 May 2015 | Dissolved | |
| The London Institute Of Space Policy And Law Director • Chairman Of Magnox Limited | 1 Mar 2013←12 Years→Current | Active | |
| Network Rail Limited Director • Company Director | 26 Jan 2010←4 Years→18 Jul 2014 | Active | |
| Network Rail Infrastructure Limited Director • Company Director | 26 Jan 2010←4 Years→18 Jul 2014 | Active | |
| Rolls-Royce Submarines Limited Director • Director | 15 May 2009←6 Years→26 Apr 2016 | Active | |
