| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | HALLIBURTON LANDMARK HOLDINGS UK LIMITED | 🇬🇧United Kingdom | Activa | 15/4/2026 – 31/12/2019 |
| Cargo | HML TRUSTEES LIMITED | 🇬🇧United Kingdom | Activa | 18/3/2026 – presente |
| Cargo | DRILL BITS AND SERVICES UNITED KINGDOM LTD | 🇬🇧United Kingdom | Disuelta | 30/4/2026 – presente |
| Cargo | LANDMARK EAME, LTD. | 🇬🇧United Kingdom | Activa | 2/6/2026 – 31/12/2019 |
| Cargo | SENSORTRAN (UK) LTD | — | Disuelta | 12/6/2026 – presente |
| Cargo | BOOTS AND COOTS UNITED KINGDOM LIMITED | 🇬🇧United Kingdom | Disuelta | 31/5/2026 – presente |
31/12/2019
resigned
27/6/2018
appointed
17/9/2010
appointed