| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | BARROW KWONG HING LIMITED | — | Disuelta | 21/5/2026 – 10/12/2012 |
| Cargo | BKH HEALTHCARE LIMITED | 🇬🇧United Kingdom | Disuelta | 20/5/2026 – 31/12/2012 |
| Cargo | MEDICO-DENTAL HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 22/12/2025 – 12/10/2011 |
| Cargo | CENTRE FOR DENTISTRY LIMITED | — | Liquidación | 22/5/2026 – 15/9/2011 |
| Cargo | ORAL HEALTH FOUNDATION | 🇬🇧United Kingdom | Activa | 27/12/2025 – 19/9/2012 |
31/12/2012
resigned
10/12/2012
resigned
10/12/2003
appointed