| ATIENZAR, Jose Luis Tornero ACTIVE | Director | 02 Mar 2026 | | Spain | November 1966 | 44, C/Mendez Alvaro, Madrid, 28045, Spain |
| RIGARDO, Ferdinando ACTIVE | Director | 29 Jul 2024 | | Scotland | February 1965 | 163, Holburn Street, Aberdeen, AB10 6BZ, United Kingdom |
| VALDERRAMA, German Dario Castro ACTIVE | Director | 29 Jul 2024 | | United Kingdom | March 1966 | 163, Holburn Street, Aberdeen, AB10 6BZ, United Kingdom |
| BOSTOCK, John Thomas RESIGNED | Secretary | 04 Feb 1993 | 18 May 1995 | | | 5 Burnley Road, London, SW9 0SH |
| CRAW, Jacquelynn Forsyth RESIGNED | Secretary | 06 Dec 2005 | 22 Dec 2009 | | | 54 Beaconsfield Place, Aberdeen, AB15 4AJ |
| GOODWIN, Keith John RESIGNED | Secretary | 03 Aug 1995 | 27 Jul 1998 | | | 24 Esher Avenue, Walton On Thames, Surrey, KT12 2TA |
| HORNABROOK, James Trevor RESIGNED | Secretary | 18 May 1995 | 03 Aug 1995 | | | Middle Luxton, Upottery, Honiton, Devon, EX14 9PA |
| KNOX, Heather Elizabeth RESIGNED | Secretary | | 06 Feb 1992 | | | 75 Northcroft Road, London, W13 9SS |
| LOWSON, Gillian RESIGNED | Secretary | 22 Dec 2009 | 17 Jun 2013 | | | Talisman House, 163 Holburn Street, Aberdeen, AB10 6BZ, Scotland |
| POWELL, Sally Caroline RESIGNED | Secretary | 27 Jul 1998 | 06 Dec 2005 | | | Park Farm Barn, Church Lane, Hallow, Worcestershire, WR2 6PF |
| ROLLESTONE, Judith Ann Elizabeth RESIGNED | Secretary | 06 Feb 1992 | 22 Jan 1993 | | | 46 Denton Street, London, SW18 2JR |
| APPLETON, Guy Robert Maurice RESIGNED | Director | 31 Dec 2010 | 22 May 2013 | United Kingdom | April 1972 | 20-22 Bedford Row, London, WC1R 4JS |
| BARRIOS, Miguel Armando Hernandez RESIGNED | Director | 30 Jun 2020 | 01 Sep 2023 | Vietnam | June 1970 | Riverbank Place Ton Duc Thang, Ho Chi Minh, Vietnam, 70000, Vietnam |
| BOX, Jerry Wayne RESIGNED | Director | | 18 May 1995 | | June 1938 | 7321 Oak Bluff Drive, Dallas Texas 75240, FOREIGN, Usa |
| BUCKEE, James William RESIGNED | Director | 06 Dec 2005 | 30 Sep 2007 | | March 1946 | 240/40th Avenue Sw, Calgary, Alberta, T2s 0x3, Canada |
| CRAW, Jacquelynn Forsyth RESIGNED | Director | 06 Dec 2005 | 31 Oct 2006 | Scotland | October 1959 | 54 Beaconsfield Place, Aberdeen, AB15 4AJ |
| DAVISON, Paul RESIGNED | Director | 27 Jul 1998 | 06 Dec 2005 | | February 1953 | Selwood Rickford, Worplesdon, Guildford, Surrey, GU3 3PJ |
| DOLAN, Philip David RESIGNED | Director | 01 Oct 2007 | 30 Apr 2013 | Uk | October 1953 | 20-22 Bedford Row, London, WC1R 4JS |
| FOUCART, Nicolas Guy RESIGNED | Director | 15 Sep 2022 | 01 Mar 2023 | Scotland | November 1970 | Suite 1 - 3rd Floor, 11 - 12, London, England, AW1Y 4LB, England |
| FRANKLIN, Roy Alexander RESIGNED | Director | 27 Jul 1998 | 06 Dec 2005 | | July 1953 | Culmer Farm House, Petworth Road,Wormley, Godalming, Surrey, GU8 5SW |
| GARCIA SANCHEZ, Luis Antonio RESIGNED | Director | 30 Jun 2016 | 01 Oct 2017 | United Kingdom | January 1960 | 44, Carden Place, Aberdeen, AB10 1UP, United Kingdom |
| GAY-GER, Pablo Luis RESIGNED | Director | 01 Sep 2023 | 02 Mar 2026 | Spain | October 1967 | Calle Mendez Alvaro 44, Madrid, CP 28940, Spain |
| GOODWIN, Keith John RESIGNED | Director | 03 Aug 1995 | 27 Jul 1998 | | March 1942 | 24 Esher Avenue, Walton On Thames, Surrey, KT12 2TA |
| HOPE, Peter Mark RESIGNED | Director | 31 Oct 2006 | 31 Dec 2010 | Scotland | April 1953 | Sunninghill, Watson Street, Banchory, Kincardineshire, AB31 5TR |
| HORNABROOK, James Trevor RESIGNED | Director | 18 May 1995 | 27 Jul 1998 | England | December 1931 | Middle Luxton, Upottery, Honiton, Devon, EX14 9PA |
| KEISER, Robert Lee RESIGNED | Director | 02 Aug 1993 | 18 May 1995 | | October 1942 | 4607 Pine Valley, Frisco, Texas, 75034 |
| KEISER, Robert Lee RESIGNED | Director | | 05 Nov 1991 | | October 1942 | Little Manor House, Fulmar Road, Gerrards Cross, Buckinghamshire, SL9 7EF |
| MACHRAY, Patrick John RESIGNED | Director | 31 Oct 2006 | 31 Dec 2010 | United Kingdom | June 1953 | Bilboa, Daviot, Inverurie, Aberdeenshire, AB51 0JA |
| MCDOWELL, Cuthbert John RESIGNED | Director | 27 Jul 1998 | 06 Dec 2005 | England | October 1956 | 7, Down Street, London, W1J 7AJ |
| MITHEN, David Patrick RESIGNED | Director | 06 Dec 2005 | 31 Oct 2006 | | February 1953 | Carpe Diem House Daviot, Inverurie, Aberdeenshire, AB51 0HZ |
| MOLESKY, Brent Alexander RESIGNED | Director | 22 May 2013 | 30 Jun 2016 | Canada | October 1966 | 13, Queen's Road, Aberdeen, AB15 4YL, United Kingdom |
| MYERS, Lionel Roger RESIGNED | Director | 31 Oct 2006 | 31 Dec 2010 | Uk | August 1948 | Cameron House, St. Andrews, Fife, KY16 8PD |
| NAVAS, Luis Alberto Polo RESIGNED | Director | 01 Mar 2023 | 29 Jul 2024 | United Kingdom | August 1963 | 163, Holburn Street, Aberdeen, AB10 6BZ, United Kingdom |
| PEDROSA ROMERO, Luis RESIGNED | Director | 01 Nov 2017 | 01 Nov 2017 | United Kingdom | July 1981 | Suite 1, 3rd Floor, 11-12 St. James's Square, London, England, SW1Y 4LB, England |
| PEDROSA ROMERO, Luis RESIGNED | Director | 01 Oct 2017 | 31 Jan 2021 | United Kingdom | July 1981 | Suite 1, 3rd Floor, 11-12 St. James's Square, London, England, SW1Y 4LB, England |
| ROBERTS, James Edward RESIGNED | Director | | 05 Jan 1993 | | December 1934 | 12128 Talmay Drive, Dallas Texas 75240, FOREIGN, Usa |
| SERRATE, Juan Pablo Stelzer RESIGNED | Director | 01 Feb 2021 | 29 Jul 2024 | Spain | August 1980 | Repsol Campus, Calle Mendez Alvaro 44, Madrid, 28045, Spain |
| SHEPPARD, Mary Jacqueline RESIGNED | Director | 06 Dec 2005 | 01 Sep 2008 | | January 1956 | 1316 Prospect Avenue Sw, Calgary, Alberta, T2T OX5, Canada |
| SKINNER, Donna May RESIGNED | Director | 22 May 2013 | 30 Jun 2016 | Uk | November 1972 | 13, Queen's Road, Aberdeen, AB15 4YL, United Kingdom |
| STOKES, William Pickett RESIGNED | Director | 05 Nov 1991 | 18 May 1995 | | December 1941 | 4 Pinehurst Court, Plano Texas 75034, FOREIGN, Usa |
| VAN DER GAAG, Aernout RESIGNED | Director | 31 Dec 2010 | 09 Aug 2012 | Canada | February 1961 | 20-22 Bedford Row, London, WC1R 4JS |
| VEGA, Jose Luis Munoz RESIGNED | Director | 30 Jun 2016 | 15 Sep 2022 | United Kingdom | January 1979 | 44, Carden Place, Aberdeen, AB10 1UP, United Kingdom |
| VINGOE, Philip Arthur, Dr RESIGNED | Director | 18 May 1995 | 03 Aug 1995 | Uk | August 1945 | Bluebell Corner, Deadhearn Lane, Chalfont St. Giles, Buckinghamshire, HP8 4HG |
| WALKER, Nicholas John Robert RESIGNED | Director | 06 Dec 2005 | 31 Oct 2006 | | May 1962 | 3 Kepplestone Gardens, Aberdeen, AB15 4DH |
| WARWICK, Paul Cyril RESIGNED | Director | 22 May 2013 | 30 Sep 2015 | Uk | April 1953 | 13, Queen's Road, Aberdeen, AB15 4YL, United Kingdom |
| WHYTE, Douglas RESIGNED | Director | 30 Jun 2016 | 30 Jun 2020 | Malaysia | November 1964 | 44, Carden Place, Aberdeen, AB10 1UP, United Kingdom |
| WHYTE, Douglas RESIGNED | Director | 31 Dec 2010 | 22 May 2013 | United Kingdom | November 1964 | 20-22 Bedford Row, London, WC1R 4JS |
| WILLIAMS, Robert Charles, Dr RESIGNED | Director | 18 May 1995 | 27 Jul 1998 | | August 1949 | Apt 2301 Observatory Tower, 168 Kent Street, Sydney, New South Wales 2000, Australia |