| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | OVARRO HOLDINGS LTD | 🇬🇧United Kingdom | Activa | 16/4/2026 – 29/4/2022 |
| Cargo | OVARRO TS LTD | — | Activa | 1/6/2026 – 29/4/2022 |
| Cargo | CONTROLPOINT LIMITED | 🇬🇧United Kingdom | Activa | 23/4/2026 – 29/4/2022 |
| Cargo | WILLIAMS INTERIM LTD | 🇬🇧United Kingdom | Activa | 21/1/2026 – presente |
| Cargo | ROBERT A WILLIAMS LTD | 🇬🇧United Kingdom | Solicitud de baja | 20/1/2026 – presente |
| Cargo | LIME PHARMA LIMITED | 🇬🇧United Kingdom | Liquidación | 26/5/2026 – 27/6/2018 |
| Cargo | NRIM LIMITED | 🇬🇧United Kingdom | Liquidación | 26/5/2026 – 27/6/2018 |
| Cargo | AUDEN MCKENZIE HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 17/5/2026 – 27/6/2018 |
| Cargo | ACTAVIS UK GROUP LIMITED | 🇬🇧United Kingdom | Activa | 4/5/2026 – 27/6/2018 |
| Cargo | TEVA PHARMA HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 27/4/2026 – 27/6/2018 |
| Cargo | TEVA PHARMACEUTICALS LIMITED | 🇬🇧United Kingdom | Activa | 7/5/2026 – 27/6/2018 |
| Cargo | ROB WILLIAMS DISABILITY CONSULTANCY LTD | 🇬🇧United Kingdom | Disuelta | 29/5/2026 – presente |
| Cargo | TEVA UK HOLDINGS LIMITED | 🇬🇧United Kingdom | Liquidación | 26/5/2026 – 21/3/2013 |
| Cargo | PLIVA PHARMA LIMITED | 🇬🇧United Kingdom | Liquidación | 26/5/2026 – 21/3/2013 |
1/6/2026
Gb → England
29/5/2026
England → Gb
4/3/2009
appointed