| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | BARROW GAS STORAGE LIMITED | — | Disuelta | 26/5/2026 – 29/2/2012 |
| Cargo | BACTON STORAGE COMPANY LIMITED | — | Disuelta | 1/6/2026 – 29/2/2012 |
| Cargo | CENTRICA BAIRD LIMITED | — | Disuelta | 3/6/2026 – 29/2/2012 |
29/2/2012
resigned
12/7/2010
appointed
16/9/2009
appointed