| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | INTEGRATED GRAPHENE LIMITED | 🇬🇧Regno Unito | Active | 22/01/2026 – 27/02/2026 |
| Officer | INTEGRATED GRAPHENE SERVICES LIMITED | 🇬🇧Regno Unito | Active | 22/01/2026 – 27/02/2026 |
| Officer | INTEGRATED GRAPHENE HOLDING LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – 27/02/2026 |
| Officer | WEATHERFORD HOLDINGS U.K. LTD. | 🇬🇧Regno Unito | Active | 24/04/2026 – 19/10/2018 |
| Officer | WEATHERFORD EURASIA LIMITED | 🇬🇧Regno Unito | Active | 02/03/2026 – 19/10/2018 |
| Officer | WEATHERFORD U.K. LIMITED | 🇬🇧Regno Unito | Active | 10/12/2025 – 19/10/2018 |
| Officer | DART ENERGY (EUROPE) LIMITED | 🇬🇧Regno Unito | Active | 20/02/2026 – 10/04/2015 |
27/02/2026
resigned
08/09/2023
appointed
14/10/2011
appointed