| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Persona con control significativo | GARRICK/SIGMA ENGINEERING LTD | 🇬🇧United Kingdom | Activa | 26/6/2024 – 29/10/2024 |
| Persona con control significativo | SIGMA OIL RECOVERY SYSTEMS LIMITED | 🇬🇧United Kingdom | Disuelta | 26/6/2024 – presente |
| Persona con control significativo | SIGMA TECHNICAL SOLUTIONS LIMITED | 🇬🇧United Kingdom | Disuelta | 25/6/2024 – presente |
24/4/2026
England → United Kingdom
15/4/2026
United Kingdom → England
1/8/2016
appointed