| Company | Timeline | Status | |
| Anaphite Limited Director • Non-executive Director | 21 Feb 2019←3 Years→16 Jun 2022 | Active | |
| Clifton Scientific Trust Limited Director • Emeritus Prof Of Physics Bristol Univers | 18 Jan 2019←6 Years→Current | Active | |
| M.J. Miles Limited Director • Professor | 13 Dec 2016←8 Years→Current | Active | |
| Iop Publishing Limited Director • University Professor | 18 May 2012←6 Years→31 Dec 2018 | Active | |
| Nu Nano Ltd Director • Professor Of Physics | 8 Sep 2011←14 Years→Current | Active | |
| Infinitesima Limited Director • Professor Of Physics | 8 Aug 2001←11 Years→8 Apr 2013 | Active | |
