| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | RIO TINTO MEDICAL PLAN TRUSTEES LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – 26/05/2026 |
| Officer | RIO TINTO INDONESIAN HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – 26/05/2026 |
| Officer | RIO TINTO FINANCE PLC | 🇬🇧Regno Unito | Active | 26/05/2026 – 26/05/2026 |
| Officer | RIO TINTO LONDON LIMITED | 🇬🇧Regno Unito | Active | 17/03/2026 – 26/05/2026 |
| Officer | RIO TINTO EUROPEAN HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – 26/05/2026 |
| Officer | RIO TINTO INTERNATIONAL HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – 26/05/2026 |
| Officer | RIO TINTO CANADA FINANCE LIMITED | 🇬🇧Regno Unito | Active | 31/03/2026 – 26/05/2026 |
| Officer | RIO TINTO FINANCE (USA) PLC | — | Active | 26/05/2026 – 26/05/2026 |
| Officer | THR COPPER LIMITED | 🇬🇧Regno Unito | Active | 21/03/2026 – 25/03/2024 |
| Officer | RIO TINTO PLC | 🇬🇧Regno Unito | Active | 21/05/2026 – 18/05/2026 |
| Officer | RIO TINTO COPPER LIMITED | 🇬🇧Regno Unito | Active | 22/03/2026 – 12/02/2024 |
| Officer | LA GRANJA HOLDINGS NOMINEES LIMITED | 🇬🇧Regno Unito | Active | 23/03/2026 – 25/08/2023 |
| Officer | RIO TINTO COPPER HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 24/03/2026 – 12/02/2024 |
| Officer | RIO TINTO MINERALS LIMITED | — | Active | 30/03/2026 – 25/03/2024 |
| Officer | RIO TINTO TECHNOLOGICAL RESOURCES UK LIMITED | — | Active | 17/05/2026 – 25/03/2024 |
| Officer | RIO TINTO SIMFER UK LIMITED | — | Active | 06/06/2026 – 25/03/2024 |
| Officer | LAWSON MARDON FLEXIBLE LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – 26/05/2026 |
| Officer | LAWSON MARDON SMITH BROTHERS LTD. | 🇬🇧Regno Unito | Active | 11/12/2025 – 26/05/2026 |
| Officer | TBAC LIMITED | 🇬🇧Regno Unito | Active | 22/05/2026 – 26/05/2026 |
| Officer | PECHINEY AVIATUBE LIMITED | 🇬🇧Regno Unito | Active | 12/03/2026 – 26/05/2026 |
| Officer | IOC SALES LIMITED | 🇬🇧Regno Unito | Active | 14/04/2026 – 25/03/2024 |
| Officer | RIO TINTO SECRETARIAT LIMITED | 🇬🇧Regno Unito | Active | 12/03/2026 – 26/05/2026 |
| Officer | ALCAN CHEMICALS LIMITED | 🇬🇧Regno Unito | Active | 20/05/2026 – 26/05/2026 |
| Officer | ALCAN FARMS LIMITED | 🇬🇧Regno Unito | Active | 22/05/2026 – 26/05/2026 |
| Officer | LA GRANJA UK HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 14/06/2026 – 25/08/2023 |
| Officer | RIO TINTO IRON ORE TRADING CHINA LIMITED | — | Active | 14/05/2026 – 25/03/2024 |
| Officer | CENTRICA NEWCO 123 LIMITED | 🇬🇧Regno Unito | Dissolved | 19/04/2026 – 12/07/2018 |
| Officer | JK ENVIRONMENTAL SERVICES (UK) LIMITED | — | Dissolved | 31/05/2026 – present |
| Officer | CENTRICA PRODUCTION LIMITED | 🇬🇧Regno Unito | Dissolved | 05/02/2026 – 12/07/2018 |
| Officer | ELECTRICITY AND GAS RECOVERIES LIMITED | — | Dissolved | 03/06/2026 – present |
| Officer | NEWNOVA OLD LIMITED | — | Dissolved | 04/06/2026 – 31/01/2017 |
| Officer | ECL INVESTMENTS LIMITED | — | Active | 30/05/2026 – 12/07/2018 |
| Officer | CID1 LIMITED | — | Dissolved | 23/05/2026 – 12/07/2018 |
| Officer | WHARTON STREET CONSULTING LIMITED | 🇬🇧Regno Unito | Dissolved | 26/04/2026 – present |
| Officer | ANGLO AMERICAN CAPITAL INTERNATIONAL LIMITED | 🇬🇧Regno Unito | Dissolved | 01/05/2026 – 29/02/2016 |
| Officer | ANGLO AMERICAN CAPITAL AUSTRALIA LIMITED | 🇬🇧Regno Unito | Active | 03/05/2026 – 29/02/2016 |
| Officer | ANGLO AMERICAN PNG HOLDINGS LIMITED | — | Dissolved | 07/05/2026 – 29/02/2016 |
| Officer | ANGLO AMERICAN PNG HOLDINGS LIMITED | — | Dissolved | 07/05/2026 – 29/02/2016 |
| Officer | CHARTERHOUSE CAP LIMITED | 🇬🇧Regno Unito | Active | 11/05/2026 – 29/02/2016 |
| Officer | GEMFAIR LIMITED | 🇬🇧Regno Unito | Active | 03/06/2026 – 29/02/2016 |
| Officer | FOREVERMARK LIMITED | 🇬🇧Regno Unito | Active | 05/06/2026 – 29/02/2016 |
| Officer | TRACR LIMITED | 🇬🇧Regno Unito | Active | 21/05/2026 – 29/02/2016 |
| Officer | IIDGR (UK) LIMITED | 🇬🇧Regno Unito | Active | 14/05/2026 – 29/02/2016 |
| Officer | VALTERRA PLATINUM MARKETING LIMITED | — | Active | 02/06/2026 – 12/02/2015 |
| Officer | ANGLO AMERICAN DIAMOND HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 20/05/2026 – 29/02/2016 |
| Officer | ANGLO AMERICAN DIAMOND HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 20/05/2026 – 29/02/2016 |
| Officer | TARMAC INDUSTRIAL MINERALS LIMITED | 🇬🇧Regno Unito | Dissolved | 19/01/2026 – 07/01/2013 |
| Officer | VALTERRA PLATINUM MARKETING LIMITED | — | Active | 02/06/2026 – 22/04/2009 |
| Officer | ANGLO FERROUS METALS MARKETING LIMITED | — | Dissolved | 04/06/2026 – 29/02/2016 |
| Officer | ANGLO FERROUS METALS MARKETING LIMITED | — | Dissolved | 04/06/2026 – 29/02/2016 |
26/05/2026
resigned
18/05/2026
resigned
30/11/2018
appointed