| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | S JOHNSON & SONS LIMITED | 🇬🇧Regno Unito | Dissolved | 31/05/2026 – present |
| Officer | CLARITY INFORMATICS GROUP LIMITED | — | Liquidation | 20/04/2026 – 29/11/2008 |
| Officer | BUSINESS MENTORING (YORKSHIRE) LIMITED | 🇬🇧Regno Unito | Active | 09/06/2026 – present |
| Officer | 9INTH ELEMENT LIMITED | 🇬🇧Regno Unito | Active | 29/04/2026 – 21/09/2018 |
| Officer | THE SOWERBY CENTRE FOR HEALTH INFORMATICS AT NEWCASTLE LIMITED | 🇬🇧Regno Unito | Liquidation | 18/04/2026 – 02/10/2008 |
| Officer | THE SOWERBY CENTRE FOR HEALTH INFORMATICS AT NEWCASTLE LIMITED | 🇬🇧Regno Unito | Liquidation | 18/04/2026 – 29/11/2008 |
21/09/2018
resigned
30/07/2009
appointed
27/07/2005
appointed