| Company | Timeline | Status | |
| Cambridge Acoustic Laboratory Limited Director • Managing Director | 31 Mar 2023←2 Years 7 Months→Current | Active | |
| Cambridge Acoustic Laboratory Limited Director • Managing Director | 31 Mar 2023←1 Year 8 Months→20 Dec 2024 | Active | |
| Cambridge Fire Research Limited Director • Managing Director | 17 Aug 2021←4 Years→Current | Active | |
| Cambridge Fire Research Limited Director • Managing Director | 17 Aug 2021←3 Years→20 Dec 2024 | Active | |
