| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | YETI THORN LIMITED | 🇬🇧Regno Unito | Active | 19/03/2026 – present |
| Officer | XCALIMED SCIENCES LTD | 🇬🇧Regno Unito | Active | 22/03/2026 – 31/10/2025 |
| Person with significant control | EDX MEDICAL GROUP PLC | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Officer | EDX MEDICAL GROUP PLC | 🇬🇧Regno Unito | Active | 09/03/2026 – present |
| Officer | ELEVEN BIBURY LTD | 🇬🇧Regno Unito | Active | 03/04/2026 – 08/08/2024 |
| Person with significant control | ELEVEN BIBURY LTD | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | EXCALIBUR MEDICINES LTD | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | INTERNATIONAL MEDICAL SUPPLIES LTD | — | Liquidation | 19/06/2024 – 28/02/2022 |
| Person with significant control | INTERNATIONAL DIAGNOSTICS LTD | 🇬🇧Regno Unito | Proposal to strike off | 18/06/2024 – 28/02/2022 |
| Person with significant control | EXCALIBUR PREMISES LIMITED | 🇬🇧Regno Unito | Dissolved | 23/06/2024 – present |
| Person with significant control | EXC3 LIMITED | 🇬🇧Regno Unito | Dissolved | 22/06/2024 – present |
| Officer | INTERNATIONAL DIAGNOSTICS LTD | 🇬🇧Regno Unito | Proposal to strike off | 28/12/2025 – 28/02/2022 |
| Officer | EXCALIBUR PREMISES LIMITED | 🇬🇧Regno Unito | Dissolved | 06/04/2026 – present |
| Officer | EXC3 LIMITED | 🇬🇧Regno Unito | Dissolved | 07/04/2026 – present |
| Officer | EXCALIBUR MEDICINES LTD | 🇬🇧Regno Unito | Active | 07/04/2026 – present |
| Officer | INTERNATIONAL MEDICAL SUPPLIES LTD | — | Liquidation | 08/04/2026 – 28/02/2022 |
| Officer | CANCER AWARENESS TRUST LTD | — | Liquidation | 27/01/2026 – 23/09/2024 |
| Person with significant control | GLEBE FACILITIES LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | MERLIN SCIENTIFIC CONSULTING LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – 05/07/2016 |
| Person with significant control | EXCALIBUR GROUP HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – present |
| Officer | ARIX BIOSCIENCE HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 02/05/2026 – 19/02/2019 |
| Officer | PERSPECTIVE BIOSCIENCE INVESTMENTS LIMITED | 🇬🇧Regno Unito | Dissolved | 02/05/2026 – present |
| Officer | ARTHURIAN LIFE SCIENCES SPV GP LIMITED | — | Dissolved | 06/02/2026 – 01/12/2017 |
| Officer | ARIX CAPITAL MANAGEMENT LIMITED | — | Liquidation | 04/03/2026 – 13/10/2017 |
| Officer | ELLIPSES PHARMA LTD | 🇬🇧Regno Unito | Active | 13/03/2026 – present |
| Officer | MAGSTIM (HOLDINGS) 2 LIMITED | 🇬🇧Regno Unito | Dissolved | 09/05/2026 – present |
| Officer | MAGSTIM (HOLDINGS) LIMITED | 🇬🇧Regno Unito | Dissolved | 09/05/2026 – present |
| Officer | PZT LIMITED | 🇬🇧Regno Unito | Dissolved | 15/05/2026 – 18/02/2020 |
| Officer | GLEBE FACILITIES LIMITED | 🇬🇧Regno Unito | Active | 27/03/2026 – present |
| Officer | THE UK STEM CELL FOUNDATION | 🇬🇧Regno Unito | Active | 27/01/2026 – 25/01/2007 |
| Officer | PRECISION CELLULAR STORAGE LTD. | 🇬🇧Regno Unito | Active | 27/04/2026 – 30/06/2013 |
| Officer | MERLIN SCIENTIFIC CONSULTING LIMITED | 🇬🇧Regno Unito | Active | 25/02/2026 – present |
19/05/2026
England → United Kingdom
16/05/2026
United Kingdom → England
15/04/2020
appointed