| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | MDC GLOBAL TOPCO LIMITED | 🇬🇧Regno Unito | Active | 04/02/2026 – 01/07/2024 |
| Officer | JOHNSON MATTHEY BATTERY MATERIALS LIMITED | 🇬🇧Regno Unito | Dissolved | 12/02/2026 – present |
| Officer | TRACERCO GLOBAL (TOPCO) LIMITED | 🇬🇧Regno Unito | Active | 27/03/2026 – 29/09/2023 |
| Officer | JOHNSON MATTHEY TIANJIN HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 13/03/2026 – present |
| Officer | AG HOLDING LTD | — | Dissolved | 01/06/2026 – present |
| Officer | JOHNSON MATTHEY UK HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 28/03/2026 – present |
| Officer | MATTHEY HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 16/12/2025 – present |
| Officer | SMITHS INTERCONNECT GROUP LIMITED | 🇬🇧Regno Unito | Active | 03/06/2026 – 06/06/2019 |
01/07/2024
resigned
29/09/2023
resigned
27/01/2018
appointed