| Company | Timeline | Status | |
| Rio Tinto Minerals Investments Africa Limited Director • Accountant | 21 Aug 2024←1 Year 3 Months→Current | Active | |
| Rio Tinto Iron Ore Atlantic Limited Director • Accountant | 22 Aug 2023←2 Years 3 Months→Current | Active | |
| Borax Europe Limited Director • Accountant | 21 Feb 2022←3 Years→Current | Active | |
| Rio Tinto Diamonds Limited Director • Accountant | 31 Jan 2022←1 Year 1 Month→7 Mar 2023 | Dissolved | |
| Rio Tinto Iron & Titanium Limited Director • Accountant | 31 Jan 2022←3 Years→1 Jul 2025 | Dissolved | |
| Rio Tinto Ot Management Limited Director • Accountant | 19 Apr 2019←6 Years→Current | Active | |
| Rio Tinto Sulawesi Holdings Limited Director • Accountant | 19 Apr 2019←6 Years→Current | Active | |
| Rta Holdco 8 Limited Director • Accountant | 19 Apr 2019←5 Years→14 Jan 2025 | Dissolved | |
| Rta Holdco 7 Limited Director • Accountant | 19 Apr 2019←5 Years→15 Jul 2024 | Dissolved | |
| Rta Holdco 4 Limited Director • Accountant | 19 Apr 2019←6 Years→Current | Active | |
