| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | GN SURVEYS LTD | 🇬🇧United Kingdom | Activa | 11/4/2026 – 25/11/2022 |
| Cargo | MICROSTIM LTD | 🇬🇧United Kingdom | Activa | 9/1/2026 – presente |
| Cargo | P.D.F. LIMITED | 🇬🇧United Kingdom | Activa | 19/5/2026 – presente |
| Cargo | EPI AMERICAS LTD | 🇬🇧United Kingdom | Activa | 11/5/2026 – presente |
| Cargo | EPI GLOBAL LTD | 🇬🇧United Kingdom | Activa | 21/5/2026 – presente |
| Cargo | E P I COLOMBIA LTD | 🇬🇧United Kingdom | Activa | 19/5/2026 – presente |
| Cargo | EPI GROUP HOLDINGS LTD | 🇬🇧United Kingdom | Activa | 21/5/2026 – presente |
| Cargo | E P I LIMITED | 🇬🇧United Kingdom | Activa | 22/4/2026 – presente |
| Cargo | INDEPENDENT SEISMIC MANAGEMENT LIMITED | — | Disuelta | 1/6/2026 – 1/5/2015 |
| Cargo | STRATEGIC SEISMIC MANAGEMENT LIMITED | — | Disuelta | 2/6/2026 – 31/3/2016 |
25/11/2022
resigned
1/6/2020
appointed
27/1/2009
appointed