| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | CENTRICA BAIRD LIMITED | — | Disuelta | 3/6/2026 – presente |
| Cargo | BACTON STORAGE COMPANY LIMITED | — | Disuelta | 1/6/2026 – presente |
| Cargo | BOWLAND RESOURCES LIMITED | — | Activa | 1/6/2026 – 31/8/2013 |
| Cargo | BOWLAND RESOURCES (NO.2) LIMITED | — | Activa | 4/6/2026 – 31/8/2013 |
| Cargo | ELSWICK ENERGY LIMITED | — | Activa | 17/5/2026 – 31/8/2013 |
1/10/2013
appointed
31/8/2013
resigned
13/6/2013
appointed