| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | WILD BIOSCIENCE LTD | 🇬🇧United Kingdom | Active | 02/04/2026 – 14/10/2025 |
| Officer | SPYBIOTECH LIMITED | 🇬🇧United Kingdom | Active | 30/04/2026 – present |
| Officer | ACB HOLDINGS LIMITED | 🇬🇧United Kingdom | Dissolved | 07/04/2026 – present |
| Officer | ULTROMICS LIMITED | 🇬🇧United Kingdom | Active | 20/02/2026 – 10/08/2021 |
| Officer | Q-BRANCH LABS LTD | 🇬🇧United Kingdom | Dissolved | 13/04/2026 – 03/03/2024 |
| Officer | SYGNIA TRADING UK LIMITED | 🇬🇧United Kingdom | Dissolved | 17/04/2026 – present |
| Officer | SYGNIACOIN MANAGEMENT COMPANY (UK) LIMITED | 🇬🇧United Kingdom | Dissolved | 17/04/2026 – present |
| Officer | OSLER DIAGNOSTICS LIMITED | 🇬🇧United Kingdom | Active | 31/01/2026 – present |
| Officer | ACB CAPITAL LIMITED | 🇬🇧United Kingdom | Dissolved | 22/04/2026 – present |
| Officer | DEEP SCIENCE VENTURES LIMITED | 🇬🇧United Kingdom | Active | 24/04/2026 – 15/10/2018 |
14/10/2025
resigned
03/03/2024
resigned
06/12/2016
appointed