| Company | Timeline | Status | |
| Rio Tinto Medical Plan Trustees Limited Director • Chartered Secretary | 3 Jun 2025←6 Months→Current | Active | |
| Rio Tinto Indonesian Holdings Limited Director • Chartered Secretary | 6 Feb 2025←10 Months→Current | Active | |
| Rio Tinto Canada Finance Limited Director • Chartered Secretary | 1 Oct 2023←2 Years 2 Months→Current | Active | |
| Rio Tinto Finance (Usa) Plc Director • Chartered Secretary | 1 Oct 2023←2 Years 2 Months→Current | Active | |
| Rio Tinto European Holdings Limited Director • Chartered Secretary | 1 Oct 2023←2 Years 2 Months→Current | Active | |
| Rio Tinto London Limited Director • Chartered Secretary | 1 Oct 2023←2 Years 2 Months→Current | Active | |
| Rio Tinto International Holdings Limited Director • Chartered Secretary | 1 Oct 2023←2 Years 2 Months→Current | Active | |
| Rio Tinto Finance Plc Director • Chartered Secretary | 1 Oct 2023←2 Years 2 Months→Current | Active | |
| THR Copper Limited Director • Chartered Secretary | 11 Sep 2023←6 Months→25 Mar 2024 | Active | |
| Rio Tinto Copper Limited Director • Chartered Secretary | 14 Aug 2023←6 Months→12 Feb 2024 | Active | |
