| Company | Timeline | Status | |
| Cognition Energy Ltd Director • Chief Operations Officer | 1 Jan 2024←2 Years→Current | Active | |
| Solidate Ltd Director • Unreported | 1 Dec 2021←4 Years→23 Dec 2025 | Dissolved | |
| Oxford Catalysts Trustees Limited Director • Cfo | 27 Sep 2011←5 Years→21 Jul 2017 | Active | |
| Oxford Catalysts UK Limited Director • Cfo | 16 Jun 2011←6 Years→21 Jul 2017 | Active | |
| Velocys Technologies Limited Director • Unreported | 27 Oct 2008←8 Years→21 Jul 2017 | Active | |
| Velocys Limited Director • Finance Director | 14 May 2008←9 Years→21 Jul 2017 | Active | |
