| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Persona con control significativo | NORTH EAST EDUCATION TRUST | — | Disuelta | 18/6/2024 – presente |
| Persona con control significativo | KROMEK LIMITED | 🇬🇧United Kingdom | Activa | 19/6/2024 – 6/4/2016 |
| Cargo | NORTH EAST EDUCATION TRUST | — | Disuelta | 4/2/2026 – 24/10/2016 |
| Cargo | HEALTH INNOVATION NORTH EAST AND NORTH CUMBRIA LIMITED | 🇬🇧United Kingdom | Activa | 13/5/2026 – 18/1/2024 |
| Cargo | KROMEK GROUP PLC | — | Activa | 14/5/2026 – presente |
| Cargo | KROMEK (GERMANY) LIMITED | 🇬🇧United Kingdom | Activa | 14/5/2026 – presente |
| Cargo | DURHAM SCIENTIFIC CRYSTALS LIMITED | — | Activa | 5/6/2026 – presente |
| Cargo | KROMEK LIMITED | 🇬🇧United Kingdom | Activa | 24/4/2026 – presente |
18/1/2024
resigned
24/10/2016
resigned
15/10/2003
appointed