| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | VETERINARY PATHOLOGY GROUP LIMITED | 🇬🇧United Kingdom | Active | 19/04/2026 – 01/03/2019 |
| Officer | CTDS 2015 LIMITED | — | Dissolved | 03/05/2026 – 01/11/2017 |
| Officer | VLSI HOLD LIMITED | 🇬🇧United Kingdom | Dissolved | 03/05/2026 – 01/11/2017 |
| Officer | TDDS 2015 LIMITED | — | Dissolved | 03/05/2026 – 01/11/2017 |
| Officer | CTDS HOLD LIMITED | 🇬🇧United Kingdom | Dissolved | 03/05/2026 – present |
| Officer | TDDS HOLD LIMITED | 🇬🇧United Kingdom | Dissolved | 03/05/2026 – 31/12/2020 |
| Officer | PTDS HOLD LIMITED | 🇬🇧United Kingdom | Dissolved | 03/05/2026 – 01/11/2017 |
| Officer | BPL HOLD LIMITED | 🇬🇧United Kingdom | Dissolved | 03/05/2026 – 01/11/2017 |
| Officer | SHCL (LSDDT) NEWCO 1 LIMITED | — | Dissolved | 03/05/2026 – present |
| Officer | CTDS 2015 HOLD LIMITED | 🇬🇧United Kingdom | Dissolved | 03/05/2026 – 01/11/2017 |
| Officer | TDDS 2015 HOLD LIMITED | 🇬🇧United Kingdom | Dissolved | 03/05/2026 – 01/11/2017 |
| Officer | CTSL HOLD LIMITED | 🇬🇧United Kingdom | Dissolved | 03/05/2026 – 31/12/2020 |
| Officer | CELL THERAPY SCIENCES LIMITED | 🇬🇧United Kingdom | Active | 12/05/2026 – 10/06/2020 |
| Officer | MOLECULAR TESTING LIMITED | 🇬🇧United Kingdom | Dissolved | 20/05/2026 – present |
| Officer | SVLS LIMITED | — | Dissolved | 01/06/2026 – present |
01/06/2026
England → United Kingdom
31/12/2020
resigned
06/03/2009
appointed