| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | TILLICOULTRY QUARRIES 1931 LIMITED | 🇬🇧United Kingdom | Activa | 26/1/2026 – presente |
| Cargo | CLEARBIM LTD | 🇬🇧United Kingdom | Activa | 17/1/2026 – presente |
| Persona con control significativo | CLEARBIM LTD | 🇬🇧United Kingdom | Activa | 14/6/2024 – presente |
| Persona con control significativo | ALEXANDER JOHNSTON & SONS LTD | — | Activa | 26/6/2024 – presente |
| Cargo | ALEXANDER JOHNSTON & SONS LTD | — | Activa | 16/12/2025 – presente |
29/5/2026
Scotland → England
26/1/2026
England → Scotland
2/12/2009
appointed