| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | ZINNWALD LITHIUM PLC | 🇬🇧United Kingdom | Active | 20/04/2026 – 13/12/2017 |
| Officer | GALICIA COPPER PLC | — | Dissolved | 15/05/2026 – present |
| Officer | AZURE MINERALS LIMITED | — | Dissolved | 16/05/2026 – present |
| Officer | ZINNWALD LITHIUM HOLDINGS LIMITED | 🇬🇧United Kingdom | Active | 18/05/2026 – 13/12/2017 |
| Officer | MEDGOLD RESOURCE LTD | 🇬🇧United Kingdom | Dissolved | 23/05/2026 – present |
13/12/2017
resigned
21/06/2017
appointed
12/04/2011
appointed