| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | HIRAM WALKER & SONS (SCOTLAND) LIMITED | 🇬🇧United Kingdom | Disuelta | 18/12/2025 – 26/7/2005 |
| Cargo | HIRAM WALKER (1992) LIMITED | 🇬🇧United Kingdom | Disuelta | 5/2/2026 – 26/7/2005 |
| Cargo | HIRAM WALKER (1992) LIMITED | 🇬🇧United Kingdom | Disuelta | 5/2/2026 – 22/5/2003 |
| Cargo | HIRAM WALKER & SONS (SCOTLAND) LIMITED | 🇬🇧United Kingdom | Disuelta | 18/12/2025 – 22/5/2003 |
| Cargo | THE RUGBY PORTLAND CEMENT COMPANY LIMITED | 🇬🇧United Kingdom | Disuelta | 25/2/2026 – 26/5/2000 |
| Cargo | — | — | Activa | 4/2/2026 – 26/5/2000 |
| Cargo | NORWEST HOLDINGS LIMITED | 🇬🇧United Kingdom | Disuelta | 22/12/2025 – 26/5/2000 |
| Cargo | SHAP GRANITE COMPANY LIMITED(THE) | 🇬🇧United Kingdom | Disuelta | 3/2/2026 – 26/5/2000 |
| Cargo | — | — | Activa | 4/2/2026 – 26/5/2000 |
| Cargo | ASHFORD BRICKWORKS LIMITED | 🇬🇧United Kingdom | Disuelta | 3/2/2026 – 26/5/2000 |
| Cargo | CEMEX UK EXECUTIVES' PENSION TRUST LIMITED | 🇬🇧United Kingdom | Activa | 27/1/2026 – 26/5/2000 |
| Cargo | CEMEX UK PENSION TRUST LIMITED | 🇬🇧United Kingdom | Activa | 27/1/2026 – 26/5/2000 |
26/7/2005
resigned
22/5/2003
resigned
2/2/1999
appointed