| Company | Timeline | Status | |
| Alterra Capital America Limited Director • Unreported | 1 Nov 2021←4 Years→Current | Active | |
| Markel Europe Limited Director • Director | 1 Nov 2021←9 Months→23 Aug 2022 | Dissolved | |
| Alterra Capital America Limited Director • Unreported | 1 Nov 2021←4 Years→31 Oct 2025 | Active | |
| Terra Nova Pension Trustee Limited Director • Unreported | 30 Apr 2021←4 Years→Current | Active | |
| Terra Nova Pension Trustee Limited Director • Unreported | 30 Apr 2021←4 Years→31 Oct 2025 | Active | |
| Markel International Holdings Limited Director • Unreported | 17 Apr 2018←7 Years→Current | Active | |
| Markel International Holdings Limited Director • Unreported | 17 Apr 2018←7 Years→31 Oct 2025 | Active | |
| Alterra Capital Brazil Limited Director • Unreported | 1 Jan 2018←7 Years→Current | Active | |
| Janjer Limited Director • Chief Actuary | 1 Jan 2018←5 Years→17 Jan 2023 | Dissolved | |
| Alterra Capital UK Limited Director • Unreported | 1 Jan 2018←7 Years→Current | Active | |
