| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | GLOBATEC ASSOCIATES LTD | — | Disuelta | 19/5/2026 – 16/7/2014 |
| Cargo | SIMPLY MORE LTD | 🇬🇧United Kingdom | Disuelta | 21/5/2026 – 11/10/2012 |
| Cargo | SKY HAMILTON LTD | 🇬🇧United Kingdom | Disuelta | 29/5/2026 – presente |
| Cargo | BRIGHTWOLF LTD | 🇬🇧United Kingdom | Disuelta | 24/5/2026 – presente |
| Cargo | SKY HAMILTON INTERNATIONAL LTD | 🇬🇧United Kingdom | Disuelta | 26/5/2026 – 5/5/2011 |
| Cargo | CITY LEARNING LTD | 🇬🇧United Kingdom | Disuelta | 26/5/2026 – 5/5/2011 |
| Cargo | LEARN EXPRESS LTD | 🇬🇧United Kingdom | Disuelta | 26/5/2026 – 17/4/2012 |
16/7/2014
resigned
13/12/2013
appointed
28/6/2010
appointed