| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | HALLIBURTON LANDMARK HOLDINGS UK LIMITED | 🇬🇧United Kingdom | Active | 15/04/2026 – 31/12/2019 |
| Officer | HML TRUSTEES LIMITED | 🇬🇧United Kingdom | Active | 18/03/2026 – present |
| Officer | DRILL BITS AND SERVICES UNITED KINGDOM LTD | 🇬🇧United Kingdom | Dissolved | 30/04/2026 – present |
| Officer | LANDMARK EAME, LTD. | 🇬🇧United Kingdom | Active | 02/06/2026 – 31/12/2019 |
| Officer | SENSORTRAN (UK) LTD | — | Dissolved | 12/06/2026 – present |
| Officer | BOOTS AND COOTS UNITED KINGDOM LIMITED | 🇬🇧United Kingdom | Dissolved | 31/05/2026 – present |
31/12/2019
resigned
27/06/2018
appointed
17/09/2010
appointed