| الدور | الشركة | البلد | الحالة | نطاق التاريخ |
|---|---|---|---|---|
| ضابط | STEINER ACADEMY, HEREFORD | 🇬🇧United Kingdom | نشط | 20/04/2026 – 25/09/2009 |
| ضابط | EDINBURGH STEINER SCHOOL TRUST LIMITED | 🇬🇧United Kingdom | نشط | 07/05/2026 – 08/09/2009 |
25/09/2009
resigned
08/09/2009
resigned
09/11/2007
appointed