| VISTRA COMPANY SECRETARIES LIMITED ACTIVE | Secretary | 26 Mar 2004 | | | | Ground Floor, Templeback, 10 Temple Back, Bristol, BS1 6FL, United Kingdom |
| CAMPBELL, Ashley Jordon ACTIVE | Director | 12 Dec 2025 | | Ireland | December 1980 | Ucd Foundation, Ardmore House, Ucd, Belfield, Dublin 04, Ireland |
| DORGAN, Stephen Joseph, Dr ACTIVE | Director | 26 Jun 2013 | | England | May 1971 | 58 Highbury Hill, London, N5 1AP, United Kingdom |
| GOLLAPALLI, Ravikanth ACTIVE | Director | 12 Dec 2025 | | United Kingdom | April 2000 | Suite 1, 7th Floor, 50 Broadway, London, SW1H 0BL, United Kingdom |
| MAGUIRE, Olivia ACTIVE | Director | 12 Jul 2024 | | United Kingdom | May 1977 | Suite 1, 7th Floor, 50 Broadway, London, SW1H 0BL, United Kingdom |
| O’REILLY, David Joseph ACTIVE | Director | 12 Dec 2025 | | United Kingdom | August 1980 | 72 C, Wimbledon Park Road, Southfields, London, SW18 5SH, United Kingdom |
| CARPENTER, Andrew, Dr RESIGNED | Secretary | 06 Aug 1993 | 30 Apr 1994 | | | Ulverton Lodge, Dalkey, Co Dublin, IRISH, Ireland |
| KELLY, William Aidan, Professor RESIGNED | Secretary | 01 Jan 1996 | 21 Nov 2004 | | | 23 Deerpark Road, Mount Merrion, Co Dublin, IRISH, Ireland |
| MANNING, Maurice, Dr RESIGNED | Secretary | 02 May 1994 | 22 Dec 1995 | | | 13 Haddington Place, Dublin, 4, Republic Of Ireland |
| MONAGHAN, Michael, Professor RESIGNED | Secretary | 21 Dec 2004 | 24 Sep 2019 | | | Staffordstown House, Navan, County Meath, IRISH, Ireland |
| BLACK, Nicole RESIGNED | Director | 07 Sep 2016 | 12 Oct 2023 | Ireland | December 1980 | 1 Fortview Avenue, Clontarf, Dublin, 3, Ireland |
| CARPENTER, Andrew, Dr RESIGNED | Director | 06 Aug 1993 | 30 Apr 1994 | | June 1943 | Ulverton Lodge, Dalkey, Co Dublin, IRISH, Ireland |
| CARROLL, Timothy Joseph RESIGNED | Director | 15 Jun 2012 | 12 Dec 2025 | United Kingdom | October 1955 | Durleston 129, Lower Road, Great Bookham, Leatherhead, Surrey, KT23 4AW, Uk |
| CONWAY, Adraic RESIGNED | Director | 20 Jan 1998 | 04 Oct 2007 | | August 1962 | 90 Sweetmount Avenue, Dandrum, Dublin 14, IRISH |
| COSGROVE, Art, Dr RESIGNED | Director | 01 Jan 1994 | 26 Jun 2013 | | June 1940 | 6 Newparh Lodge, Foxroch, Dublin 18, Ireland |
| FARRELL, Myles Patrick RESIGNED | Director | 04 Oct 2007 | 15 Jun 2012 | United Kingdom | March 1976 | 73 Sellincourt Road, Tooting, London, SW17 9RZ |
| GIBBONS, Aine RESIGNED | Director | 04 Oct 2007 | 20 Mar 2015 | | December 1960 | Apt 7 Newpark, Newtown Park Ave, Blackrock, Dublin, IRISH |
| HAYES, William, Dr President RESIGNED | Director | 06 Aug 1993 | 06 Jan 1998 | | November 1930 | St John S College St Giles, Oxford, Oxfordshire, OX1 3JP |
| KELLY, William Aidan, Professor RESIGNED | Director | 01 Jan 1996 | 21 Nov 2004 | | September 1941 | 23 Deerpark Road, Mount Merrion, Co Dublin, IRISH, Ireland |
| MANNING, Maurice, Dr RESIGNED | Director | 02 May 1994 | 22 Dec 1995 | Ireland | June 1943 | 13 Haddington Place, Dublin, 4, Republic Of Ireland |
| MASTERSON, Patrick, Dr RESIGNED | Director | 06 Aug 1993 | 31 Dec 1993 | | October 1936 | Presidents Office, University College, Dublin, IRISH, Ireland |
| MONAGHAN, Michael, Professor RESIGNED | Director | 21 Dec 2004 | 24 Sep 2019 | | February 1952 | Staffordstown House, Navan, County Meath, IRISH, Ireland |
| PHELAN, William Richard RESIGNED | Director | 06 Aug 1993 | 17 Sep 2024 | United Kingdom | June 1941 | 47 Cheyne Court, Royal Hospital Road, London, SW3 5TS, United Kingdom |
| WRIGHT, Gerard, Dr RESIGNED | Director | 06 Aug 1993 | 31 Mar 2000 | | March 1938 | 5 Hillside Park, Rathearnham, Dublin 16, IRISH, Ireland |