| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | ULTRASEAL INTERNATIONAL GROUP LIMITED | 🇬🇧Regno Unito | Active | 06/01/2026 – 05/12/2025 |
| Officer | QH INTERNATIONAL LIMITED | 🇬🇧Regno Unito | Active | 05/01/2026 – 05/12/2025 |
| Officer | QH CHEMICAL LIMITED | 🇬🇧Regno Unito | Dissolved | 17/12/2025 – present |
| Officer | QH HOLDINGS LIMITED | 🇬🇧Regno Unito | Dissolved | 17/12/2025 – present |
| Officer | QUAKER HOUGHTON HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 05/01/2026 – 05/12/2025 |
| Officer | PULSE ELECTRONICS GMBH | 🇩🇪Germania | Active | 10/12/2025 – present |
05/12/2025
resigned
01/10/2019
appointed
19/07/2011
appointed