| Company | Timeline | Status | |
| CFC Underwriting Limited Director • Unreported | 1 Jan 2026←1 Month→Current | Active | |
| Markel Europe Limited Director • Unreported | 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→31 Oct 2025 | Active | |
| Markel International Holdings Limited Director • Unreported | 17 Apr 2018←7 Years→31 Oct 2025 | Active | |
| Janjer Limited Director • Unreported | 1 Jan 2018←5 Years→17 Jan 2023 | Dissolved | |
| Alterra Corporate Capital 5 Limited Director • Unreported | 1 Jan 2018←5 Years→14 Nov 2023 | Dissolved | |
| Alterra Corporate Capital 4 Limited Director • Unreported | 1 Jan 2018←5 Years→14 Nov 2023 | Dissolved | |
| Alterra Corporate Capital 6 Limited Director • Unreported | 1 Jan 2018←5 Years→7 Nov 2023 | Dissolved | |
Markel International Limited Director • Chief Actuary | 1 Jan 2018←1 Year 8 Months→14 Sep 2019 | Dissolved | |
