| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Persona con control significativo | PEARSON DRILLING LTD | 🇬🇧United Kingdom | Liquidación | 18/6/2024 – presente |
| Persona con control significativo | BOREHOLE SOLUTIONS (NORTH) LIMITED | 🇬🇧United Kingdom | Activa | 18/6/2024 – 27/1/2023 |
| Persona con control significativo | GEOENVIRO SOLUTIONS LTD | 🇬🇧United Kingdom | Activa | 18/6/2024 – 15/3/2023 |
| Persona con control significativo | BOREHOLE SOLUTIONS INTERNATIONAL RIG SALES LTD | 🇬🇧United Kingdom | Disuelta | 18/6/2024 – presente |
15/3/2023
resigned
27/1/2023
resigned
28/8/2019
appointed