| Company | Timeline | Status | |
| Gresham College Director • Astronomer | 1 Aug 2024←1 Year 3 Months→Current | Active | |
| 1715 Labs Limited Director • Astronomer | 10 Jul 2018←5 Years→18 Oct 2023 | Dissolved | |
| 1715 Associates Limited Director • Astronomer | 28 Jun 2018←4 Years→24 Jan 2023 | Dissolved | |
