| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | GRAHAM WILLIAMS RAIL LTD | 🇬🇧United Kingdom | Disuelta | 27/4/2026 – presente |
| Cargo | GRAHAM WILLIAMS 610 LTD | 🇬🇧United Kingdom | Disuelta | 28/4/2026 – presente |
| Cargo | WLU RAIL LIMITED | 🇬🇧United Kingdom | Disuelta | 10/5/2026 – presente |
28/4/2026
Wales → United Kingdom
27/4/2016
appointed
10/4/2014
appointed