| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | GLENMUCKLOCH RENEWABLE ENERGY LIMITED | 🇬🇧United Kingdom | Active | 07/04/2026 – present |
| Officer | GLENMUCKLOCH PUMPED STORAGE HYDRO LIMITED | 🇬🇧United Kingdom | Active | 15/12/2025 – present |
| Officer | GLENMUCKLOCH HOLDINGS LIMITED | 🇬🇧United Kingdom | Active | 23/02/2026 – present |
| Officer | CARNA ENERGY HOLDINGS LIMITED | 🇬🇧United Kingdom | Active | 12/12/2025 – present |
| Officer | RAINWORTH ENERGY LIMITED | 🇬🇧United Kingdom | Active | 05/05/2026 – 12/11/2025 |
| Officer | CODFORD BIOGAS LIMITED | 🇬🇧United Kingdom | Active | 12/04/2026 – 28/10/2025 |
| Officer | RIVERSIDE BIO LIMITED | 🇬🇧United Kingdom | Active | 19/05/2026 – 18/02/2021 |
| Officer | BIO COLLECTORS LIMITED | 🇬🇧United Kingdom | Active | 30/05/2026 – 18/02/2021 |
| Officer | BIO COLLECTORS HOLDINGS LIMITED | 🇬🇧United Kingdom | Active | 02/06/2026 – 18/02/2021 |
| Officer | RIVERSIDE AD LIMITED | 🇬🇧United Kingdom | Active | 22/04/2026 – 18/02/2021 |
| Officer | WARREN ENERGY LIMITED | 🇬🇧United Kingdom | Active | 05/05/2026 – 29/08/2024 |
| Officer | BIOGAS MEDEN LTD. | 🇬🇧United Kingdom | Active | 08/05/2026 – 29/08/2024 |
| Officer | MERLIN RENEWABLES LIMITED | 🇬🇧United Kingdom | Active | 19/05/2026 – 29/08/2024 |
| Officer | GRANGE FARM ENERGY LIMITED | 🇬🇧United Kingdom | Active | 13/05/2026 – 29/08/2024 |
| Officer | EGMERE ENERGY LIMITED | 🇬🇧United Kingdom | Active | 16/05/2026 – 29/08/2024 |
| Officer | LLYNFI AFAN RENEWABLE ENERGY PARK (HOLDINGS) LIMITED | 🇬🇧United Kingdom | Dissolved | 27/04/2026 – 25/02/2021 |
| Officer | GREY SIBERIA LIMITED | 🇬🇧United Kingdom | Dissolved | 02/05/2026 – present |
| Officer | 100 FINSBURY PARK ROAD LIMITED | 🇬🇧United Kingdom | Active | 02/04/2026 – present |
12/11/2025
resigned
28/10/2025
resigned
19/03/2007
appointed