| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | SF6 RECOVERY LTD | 🇬🇧United Kingdom | Active | 10/04/2026 – present |
| Officer | REFCOOL REFRIGERATION LIMITED | 🇬🇧United Kingdom | Active | 13/02/2026 – 01/11/2018 |
| Officer | REFCOOL REFRIGERATION LIMITED | 🇬🇧United Kingdom | Active | 13/02/2026 – 30/09/2011 |
| Officer | MEONBARN LIMITED | — | Dissolved | 07/06/2026 – present |
| Officer | MEONBARN LIMITED | — | Dissolved | 07/06/2026 – present |
| Officer | STONE DUMAS LIMITED | — | Dissolved | 14/06/2026 – present |
04/11/2019
appointed
01/11/2018
resigned
12/01/2006
appointed