| الدور | الشركة | البلد | الحالة | نطاق التاريخ |
|---|---|---|---|---|
| ضابط | BYDAND DRILLING LIMITED | 🇬🇧United Kingdom | نشط | 01/06/2026 – 12/07/2010 |
| ضابط | IAN RITCHIE LIMITED | — | تم حلها | 15/06/2026 – حاضر |
| ضابط | CLASS INSTRUMENTATION LTD | 🇬🇧United Kingdom | نشط | 01/05/2026 – 28/06/1998 |
12/07/2010
resigned
08/04/2010
appointed
20/09/1996
appointed