| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | GREENLANE BIOGAS EUROPE LIMITED | 🇬🇧United Kingdom | Activa | 22/4/2026 – 3/6/2019 |
| Cargo | CHESTERFIELD CYLINDERS LIMITED | 🇬🇧United Kingdom | Activa | 5/1/2026 – presente |
| Cargo | PT PRECISION MACHINED COMPONENTS LIMITED | 🇬🇧United Kingdom | Activa | 21/4/2026 – 8/10/2024 |
| Cargo | MARTRACT LIMITED | 🇬🇧United Kingdom | Activa | 9/3/2026 – 8/10/2024 |
| Cargo | PRECISION MACHINED COMPONENTS LIMITED | 🇬🇧United Kingdom | Activa | 30/3/2026 – presente |
| Cargo | PT BIOGAS TECHNOLOGY LIMITED | 🇬🇧United Kingdom | Activa | 22/4/2026 – 3/6/2019 |
| Cargo | PT BIOGAS HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 22/4/2026 – 3/6/2019 |
| Cargo | CHESTERFIELD PRESSURE SYSTEMS GROUP LIMITED | 🇬🇧United Kingdom | Activa | 18/5/2026 – presente |
| Cargo | CHESTERFIELD SPECIAL CYLINDERS HOLDINGS PLC | 🇬🇧United Kingdom | Activa | 28/3/2026 – presente |
| Cargo | AQUASO LIMITED | 🇬🇧United Kingdom | Disuelta | 7/5/2026 – 4/8/2017 |
| Cargo | TSC SUBSEA LTD | 🇬🇧United Kingdom | Activa | 25/2/2026 – 4/8/2017 |
| Cargo | MABLAW 555 LIMITED | — | Disuelta | 21/5/2026 – presente |
8/10/2024
resigned
3/6/2019
resigned
1/6/2015
appointed