| Company | Timeline | Status | |
| Inhalasol Ltd Director • Advisor | 23 Sep 2025←2 Months→Current | Active | |
| Southampton Asset Management Limited Director • Managing Director | 14 Jan 2005←9 Years→17 Mar 2014 | Active | |
| Synairgen Limited Director • Chief Executive Officer | 16 Sep 2004←20 Years→1 Jul 2025 | Active | |
| Synairgen Research Limited Director • Chief Executive Officer | 7 Jun 2004←21 Years→1 Jul 2025 | Active | |
