| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | HUT 6 SECURITY LIMITED | 🇬🇧United Kingdom | Active | 23/04/2026 – 06/09/2022 |
| Officer | LEARNIUM LIMITED | 🇬🇧United Kingdom | Liquidation | 13/05/2026 – 06/06/2023 |
| Officer | SANIBEL SOLUTIONS LIMITED | 🇬🇧United Kingdom | Dissolved | 18/02/2026 – present |
| Officer | ISCA NETWORKS CORPORATION LIMITED | 🇬🇧United Kingdom | Dissolved | 05/06/2026 – 28/11/2011 |
| Officer | FILBO LIMITED | — | Dissolved | 01/06/2026 – present |
06/06/2023
resigned
06/09/2022
resigned
15/04/2009
appointed