| HARRIS, Tamara Clair ACTIVE | Secretary | 02 Aug 2023 | | | | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| BREEN, Steve Michael ACTIVE | Director | 14 Apr 2025 | | England | February 1972 | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| HARRIS, Tamara Clair ACTIVE | Director | 11 Jul 2025 | | England | July 1976 | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| PEHLIVAN, Hasan ACTIVE | Director | 05 Dec 2024 | | Turkey | May 1972 | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| DONMEZ, Erol RESIGNED | Secretary | 01 Jan 2007 | 28 Feb 2010 | | | 109 Stone Meadow, Oxford, Oxfordshire, OX2 6TD |
| GIRAY, Levent RESIGNED | Secretary | 22 Dec 1993 | 31 Dec 2006 | | | 15 Lesparre Close, Drayton, Abingdon, Oxfordshire, OX14 4FN |
| GREGORY, Caroline Marie RESIGNED | Secretary | 18 Oct 2021 | 02 Aug 2023 | | | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| HARRIS, Tamara Clair RESIGNED | Secretary | 20 Oct 2015 | 18 Oct 2021 | | | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| SKEGGS, Peter John RESIGNED | Secretary | 01 Mar 2010 | 20 Oct 2015 | | | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| TRINNAMAN, Alison Mary RESIGNED | Secretary | 10 Aug 1992 | 20 Aug 1992 | | | 66 Gresham Street, London, EC2V 7LB |
| VIGGARS, Robert RESIGNED | Secretary | 20 Aug 1992 | 22 Dec 1993 | | | The Barn, Hinton Waldrist, Faringdon, Oxon, SN7 8RN |
| AKOZ, Ali RESIGNED | Director | 01 Dec 2017 | 04 Sep 2020 | Turkey | December 1968 | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| BAYRAKTAR, Haluk, Mr. RESIGNED | Director | 29 Jun 2009 | 01 Jan 2011 | Turkey | May 1969 | 62, Mimarsinan Cad. No:62, Kemercountry, Gokturk, Kemerburgaz, Istanbul, Turkey |
| BAYRAKTAR, Sezgin RESIGNED | Director | 15 May 1995 | 31 Dec 2000 | | March 1938 | Buyukdere Cad 193, Levent, Istanbul, 80640 |
| BREEN, Steven RESIGNED | Director | 04 Jul 2022 | 17 Jan 2025 | England | February 1972 | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| BURAT, Ahmet Sadi RESIGNED | Director | 20 Aug 1992 | 28 Dec 2006 | | October 1949 | Buyukdere Cad 193, Levent, Istanbul 80640, FOREIGN |
| CRANLEY, Gerard Nicholas RESIGNED | Director | 10 Aug 1992 | 20 Aug 1992 | | October 1961 | 66 Gresham Street, London, EC2V 7LB |
| DONMEZ, Erol RESIGNED | Director | 01 Jan 2007 | 28 Feb 2010 | | January 1966 | 109 Stone Meadow, Oxford, Oxfordshire, OX2 6TD |
| ECZACIBASI, Ferit Bulent RESIGNED | Director | 15 May 1995 | 28 Dec 2006 | | October 1949 | Buyukdere Cad 193, Levent, Istanbul, 80640 |
| GIRAY, Levent RESIGNED | Director | 01 Feb 2012 | 04 Jul 2022 | United Kingdom | July 1961 | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| GIRAY, Levent RESIGNED | Director | 06 Jul 1995 | 31 Dec 2006 | United Kingdom | July 1961 | 15 Lesparre Close, Drayton, Abingdon, Oxfordshire, OX14 4FN |
| GUMRAH, Atalay RESIGNED | Director | 01 Mar 2011 | 31 Dec 2024 | Turkey | June 1967 | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| INDIRKAS, Abdulhalik Tayfun RESIGNED | Director | 01 Apr 1995 | 28 Dec 2006 | | March 1946 | Buyukdere Cad 193, Levent, Istanbul, 80640 |
| KARAMERCAN, Erdal, Dr RESIGNED | Director | 01 Jan 2004 | 04 Sep 2020 | Turkey | September 1950 | Zekeriyakoy, Yaprak Mah 12 Cad No3 Sariyer, Istanbul, FOREIGN, Turkey |
| LOEW, Jorg Karl-Josef RESIGNED | Director | 01 Mar 2010 | 01 Jan 2011 | Germany | December 1957 | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| ONANC, Husamettin RESIGNED | Director | 20 Aug 1992 | 30 Nov 2017 | Turkey | January 1956 | 193, Buyukdere Cad 193, Levent Istanbul, Turkey 80640, Turkey |
| OZKAN, Ozgen RESIGNED | Director | 04 Sep 2020 | 31 Jul 2024 | Turkey | June 1964 | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| SHAYA, Simon Georgi RESIGNED | Director | 01 Aug 2024 | 20 Jan 2025 | Turkey | September 1968 | Park 34, Collett, Didcot, Oxfordshire, OX11 7WB |
| TULGAN, Mehmet RESIGNED | Director | 20 Aug 1992 | 13 May 1995 | | April 1960 | Nenehatun Sok 6/3, Fuze Apt Moda, Kadikoy, Istanbul 81300, FOREIGN, Turkey |
| YAMANER, Ahmet RESIGNED | Director | 13 Mar 1995 | 30 Nov 2017 | Turkey | September 1946 | Buyukdere Caddesi 193, 80640 Levent, Istanbul, Turkey |