| BERNSAND, Charlotta Sofia ACTIVE | Secretary | 31 Jan 2023 | | | | 1, More London Place, London, SE1 2AF |
| BYRNE, David ACTIVE | Secretary | 31 Jan 2023 | | | | 1, More London Place, London, SE1 2AF |
| AUER, Liam Patrick ACTIVE | Director | 06 Jan 2025 | | United Kingdom | May 1989 | 1, More London Place, London, SE1 2AF |
| DELA CRUZ, Jenny Lyn ACTIVE | Director | 29 Jan 2024 | | England | December 1990 | 1, More London Place, London, SE1 2AF |
| DIVOKY, Jerry James ACTIVE | Director | 31 Jan 2023 | | Canada | August 1966 | 1, More London Place, London, SE1 2AF |
| HIGGINS, Howard Charles ACTIVE | Director | 16 Jun 2022 | | United Kingdom | March 1953 | 1, More London Place, London, SE1 2AF |
| QURESHI, Abdul Moiz ACTIVE | Director | 21 Jul 2023 | | England | August 1986 | 1, More London Place, London, SE1 2AF |
| WATSON, Robin ACTIVE | Director | 21 Mar 2025 | | United Kingdom | February 1967 | 1, More London Place, London, SE1 2AF |
| BARNES, Megan RESIGNED | Secretary | 16 Jun 2022 | 18 Nov 2022 | | | 1-3, Strand, London, WC2N 5EH, United Kingdom |
| HAGAN, Lawrence RESIGNED | Secretary | 16 Jun 2022 | 31 Jan 2023 | | | National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA |
| AGOUMI, Mia RESIGNED | Director | 31 Jan 2023 | 11 Mar 2024 | United Kingdom | March 1985 | National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA |
| DICKIE, Kylee Marie RESIGNED | Director | 31 Jan 2023 | 11 Mar 2024 | United Kingdom | June 1981 | National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA |
| FARKAS, David RESIGNED | Director | 21 Oct 2024 | 28 Feb 2025 | England | October 1975 | National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA |
| HUMPHRIES-NEW, Natalie RESIGNED | Director | 31 Jan 2023 | 26 Sep 2024 | England | February 1975 | National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA |
| KEELING, Timothy RESIGNED | Director | 04 Mar 2023 | 30 Nov 2023 | Canada | September 1985 | National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA |
| KELLY, Rhian Catriona RESIGNED | Director | 31 Jan 2023 | 11 Mar 2024 | United Kingdom | December 1976 | National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA |
| MATHIESON, Mark William RESIGNED | Director | 16 Jun 2022 | 15 May 2026 | England | September 1966 | 1, More London Place, London, SE1 2AF |
| PHAM, Nghi Do Truong RESIGNED | Director | 04 Mar 2023 | 21 Jul 2023 | Canada | September 1977 | National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA |
| PRICE, William David George RESIGNED | Director | 16 Jun 2022 | 15 May 2026 | England | September 1984 | 1, More London Place, London, SE1 2AF |
| TSIRIMPA, Aikaterini RESIGNED | Director | 16 Jun 2022 | 26 Sep 2024 | United Kingdom | April 1981 | National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA |
| WEBB, Lincoln Hillier RESIGNED | Director | 31 Jan 2023 | 21 Oct 2024 | Canada | March 1971 | National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA |
| WILSON, Benjamin Hollis RESIGNED | Director | 16 Jun 2022 | 26 Sep 2024 | United Kingdom | August 1974 | National Grid House, Warwick Technology Park, Gallows Hill, Warwick, CV34 6DA |