| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | VIRIDICO2 LTD | 🇬🇧Regno Unito | Active | 16/12/2025 – present |
| Officer | HYDREGEN LIMITED | 🇬🇧Regno Unito | Active | 18/12/2025 – present |
| Officer | DIVERSUS TECHNOLOGY LTD | — | Dissolved | 11/05/2026 – present |
| Officer | ADDED SCIENTIFIC LIMITED | 🇬🇧Regno Unito | Active | 08/05/2026 – 30/06/2022 |
| Officer | TEMPLEWOOD MANAGEMENT COMPANY LIMITED | 🇬🇧Regno Unito | Active | 15/12/2025 – present |
| Officer | AMALYST LIMITED | — | Liquidation | 17/05/2026 – 10/09/2019 |
| Officer | OXFORD BIOTRANS LIMITED | — | Dissolved | 14/05/2026 – 01/09/2022 |
| Officer | HIGH VALUE MANUFACTURING CATAPULT | 🇬🇧Regno Unito | Active | 22/05/2026 – 25/04/2014 |
| Officer | WILLB CONSULTING LIMITED | — | Active | 31/05/2026 – present |
| Officer | VELOCYS LIMITED | 🇬🇧Regno Unito | Active | 14/06/2026 – 14/05/2008 |
| Officer | VELOCYS TECHNOLOGIES LIMITED | 🇬🇧Regno Unito | Active | 22/12/2025 – 27/10/2008 |
| Officer | CHEMICAL INDUSTRIES ASSOCIATION LIMITED | 🇬🇧Regno Unito | Active | 15/01/2026 – 18/11/2004 |
01/09/2022
resigned
30/06/2022
resigned
07/05/2002
appointed