| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | IP2IPO INVESTMENTS LIMITED | 🇬🇧Regno Unito | Active | 22/01/2026 – 05/02/2020 |
| Officer | EXTRAJECT TECHNOLOGIES LTD | 🇬🇧Regno Unito | Dissolved | 16/05/2026 – 31/01/2020 |
| Officer | RHEDYN LIMITED | — | Dissolved | 16/05/2026 – present |
| Officer | PH THERAPEUTICS LIMITED | 🇬🇧Regno Unito | Active | 16/05/2026 – 31/01/2020 |
| Officer | RESAGEN LIMITED | — | Dissolved | 18/05/2026 – present |
| Officer | ASTERION LIMITED | 🇬🇧Regno Unito | Dissolved | 04/03/2026 – 31/01/2020 |
| Officer | PROGENTEQ LIMITED | — | Dissolved | 29/05/2026 – present |
| Officer | SEREN PHOTONICS LIMITED | — | Dissolved | 30/05/2026 – 11/06/2014 |
| Officer | CARDIFF PARTNERSHIP FUND LIMITED | 🇬🇧Regno Unito | Active | 19/01/2026 – 04/04/2013 |
| Officer | BIOHYDROGEN LIMITED | — | Dissolved | 14/06/2026 – present |
| Officer | ALESI SURGICAL LIMITED | — | Active | 08/06/2026 – 02/03/2017 |
| Officer | MEDELLA THERAPEUTICS LIMITED | 🇬🇧Regno Unito | Dissolved | 09/06/2026 – 25/07/2014 |
| Officer | DEMASQ LIMITED | — | Liquidation | 28/05/2026 – 18/02/2008 |
| Officer | ABSYNTH BIOLOGICS LIMITED | — | Dissolved | 09/06/2026 – present |
| Officer | BIOFUSION LICENSING (SHEFFIELD) LIMITED | 🇬🇧Regno Unito | Dissolved | 11/06/2026 – 05/03/2020 |
| Officer | MANTELUM LIMITED | — | Dissolved | 12/06/2026 – present |
| Officer | PHASE FOCUS LIMITED | — | Liquidation | 12/06/2026 – 01/02/2008 |
| Officer | IMMEDICA UK LIMITED | 🇬🇧Regno Unito | Active | 09/02/2026 – 29/10/2014 |
05/03/2020
resigned
05/02/2020
resigned
29/09/2004
appointed