| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | REVONA BIO LTD | 🇬🇧United Kingdom | Active | 27/03/2026 – 30/04/2026 |
| Officer | APTAMER GROUP PLC | 🇬🇧United Kingdom | Active | 10/05/2026 – 21/08/2023 |
| Officer | LIFEARC | 🇬🇧United Kingdom | Active | 26/02/2026 – present |
| Officer | CYTOX LIMITED | 🇬🇧United Kingdom | Liquidation | 10/02/2026 – present |
| Officer | DELTA DIAGNOSTICS (UK) LTD | 🇬🇧United Kingdom | Dissolved | 14/05/2026 – 25/04/2019 |
| Officer | GENEDRIVE PLC | — | Active | 16/02/2026 – present |
| Officer | HORIZON DISCOVERY GROUP LIMITED | 🇬🇧United Kingdom | Active | 12/05/2026 – 23/12/2020 |
| Officer | FORTIS CARDIFF LIMITED | 🇬🇧United Kingdom | Active | 16/05/2026 – 25/07/2016 |
| Officer | STOWHEATH LIMITED | 🇬🇧United Kingdom | Active | 18/12/2025 – present |
| Officer | LEEDS REPRODUCTIVE BIOSCIENCE LIMITED | — | Dissolved | 14/06/2026 – 30/04/2009 |
14/06/2026
England → United Kingdom
30/04/2026
resigned
30/11/2006
appointed