| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | HOCKOURT NO.5 LIMITED | 🇬🇧United Kingdom | Disuelta | 18/2/2026 – 19/3/1997 |
| Cargo | SPENCER CLARK LIMITED | 🇬🇧United Kingdom | Disuelta | 3/2/2026 – presente |
| Cargo | CHUBB FIRE PROTECTION UNLIMITED | 🇬🇧United Kingdom | Disuelta | 3/2/2026 – presente |
| Cargo | DETECTOR ELECTRONICS (U.K.) LIMITED | 🇬🇧United Kingdom | Activa | 28/5/2026 – presente |
| Cargo | WALTER KIDDE LIMITED | 🇬🇧United Kingdom | Activa | 3/1/2026 – presente |
19/3/1997
resigned
17/3/1993
appointed