| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | NEW ENERGY VENTURES LTD | 🇬🇧United Kingdom | Disuelta | 11/3/2026 – presente |
| Cargo | E&P DATA LICENSING LIMITED | 🇬🇧United Kingdom | Activa | 11/12/2025 – presente |
| Cargo | KIRMAN ENERGY LIMITED | 🇬🇧United Kingdom | Disuelta | 23/4/2026 – presente |
| Cargo | GGS GLOBAL GEO SERVICES (UK) LIMITED | 🇬🇧United Kingdom | Activa | 24/4/2026 – 10/12/2018 |
| Cargo | PETROLEUM SYSTEMS LIMITED | — | Activa | 15/12/2025 – presente |
| Cargo | TANYGRAIG LIMITED | 🇬🇧United Kingdom | Activa | 17/5/2026 – 22/2/2020 |
| Cargo | ENIGMA DATA SOLUTIONS LIMITED | — | Disuelta | 24/5/2026 – 13/11/2012 |
13/4/2024
appointed
22/2/2020
resigned
14/2/2012
appointed