| Company | Timeline | Status | |
| Cambridge Photon Technology Limited Director • Unreported | 3 Mar 2021←4 Years→Current | Active | |
| Echion Technologies Ltd Director • Unreported | 19 Jan 2021←4 Years→Current | Active | |
| Cambridge Gan Devices Limited Director • Investment Manager | 18 Jan 2021←8 Months→23 Sep 2021 | Active | |
| RMS Realisations Limited Director • Investment Manager | 10 Dec 2020←4 Years→14 Jul 2025 | Dissolved | |
| Poro Technologies Ltd Director • Director | 24 Nov 2020←2 Years 9 Months→25 Aug 2023 | Active | |
| Amalyst Limited Director • Senior Business Manager | 14 Jun 2018←7 Years→Current | Liquidation | |
| TCR Materials Limited Director • Senior Business Manager | 1 Feb 2018←3 Years→17 Aug 2021 | Dissolved | |
| Bramble Energy Limited Director • Senior Business Manager | 3 Nov 2016←3 Years→30 Jul 2020 | Active | |
| Amalyst Limited Director • None | 22 May 2013←2 Years 8 Months→15 Feb 2016 | Liquidation | |
CMR Fuel Cells (UK) Limited Director • Head Of Research | 2 Mar 2010←5 Years→12 May 2015 | Dissolved | |
