| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | OPENGAMMA LIMITED | 🇬🇧Regno Unito | Active | 05/01/2026 – 16/12/2025 |
| Officer | OPENGAMMA HOSTING LIMITED | 🇬🇧Regno Unito | Dissolved | 17/05/2026 – present |
| Officer | CALASTONE LIMITED | — | Active | 07/06/2026 – 14/11/2016 |
16/12/2025
resigned
14/11/2016
resigned
18/09/2013
appointed