| PABANI, Nizar Bahadurali ACTIVE | Secretary | 01 Jan 2021 | | | | Etel House, Avenue One, Letchworth Garden City, Hertfordshire, SG6 2HU |
| FUKUDA, Takeshi ACTIVE | Director | 01 Apr 2019 | | England | October 1974 | Etel House, Avenue One, Letchworth Garden City, Hertfordshire, SG6 2HU |
| LYNOTT, Mark ACTIVE | Director | 01 Feb 2018 | | England | December 1975 | Etel House, Avenue One, Letchworth Garden City, Hertfordshire, SG6 2HU |
| ELLIS, Ian Vincent RESIGNED | Secretary | 15 Jul 2011 | 01 Jan 2021 | | | Etel House, Avenue One, Letchworth Garden City, Hertfordshire, SG6 2HU |
| HEALY, Michael Joseph Anthony RESIGNED | Secretary | 22 Jun 2006 | 01 Jul 2011 | | | 216, East Main Street, Broxburn, West Lothian, EH52 5AS |
| HUTHERSALL, Robert RESIGNED | Secretary | 26 Oct 1994 | 01 Jul 1996 | | | 17 Corstorphine Road, Edinburgh, Midlothian, EH12 6DD, Scotland |
| MCGILL, Kenneth Andrew RESIGNED | Secretary | 01 Jul 1996 | 22 Jul 2004 | | | 4 Peastonbank Farm Cottages, By Pencaitland, Tranent, East Lothian, EH34 5ET |
| MORRISON, Scott RESIGNED | Secretary | 22 Jul 2004 | 22 Jun 2006 | | | 24 Gaveston Road, Leamington Spa, Warwickshire, CV32 6EU |
| WATSON, Deirdre Mary Alison RESIGNED | Secretary | | 26 Oct 1994 | | | 10 Elgar Avenue, Ealing, London, W5 3JU |
| ANDERSON, Allan William RESIGNED | Director | 26 Sep 1994 | 26 Oct 1994 | | April 1959 | 10 Quill Lane, Putney, London, SW15 1PD |
| BISSETT, Graeme RESIGNED | Director | 11 Jan 1999 | 25 Apr 2001 | | February 1958 | 123 Saint Vincent Street, Glasgow, G2 5EA |
| ELLWOOD, Edward James RESIGNED | Director | 01 Aug 1994 | 26 Oct 1994 | | October 1948 | Flat B 7 Upper Addison Gardens, London, W14 8AL |
| FARMER, Thomas, Sir RESIGNED | Director | 26 Oct 1994 | 08 Jan 1999 | Scotland | July 1940 | Maidencraig House, 192 Queensferry Road, Edinburgh, Midlothian, EH4 6JL |
| FOOTITT, Graham Lawrence RESIGNED | Director | | 26 Oct 1994 | United Kingdom | January 1942 | Si Rusa Hopgarden Lane, Sevenoaks, Kent, TN13 1PU |
| FRASER, Ian Ellis RESIGNED | Director | 19 Sep 2005 | 01 Jul 2011 | Scotland | March 1957 | 216, East Main Street, Broxburn, West Lothian, EH52 5AS |
| HASTIE, John Duncan RESIGNED | Director | 01 Aug 1994 | 26 Oct 1994 | | July 1944 | 23 The Green, Twickenham, Middlesex, TW2 5TU |
| HEALY, Michael Joseph Anthony RESIGNED | Director | 28 Mar 2006 | 01 Jul 2011 | United Kingdom | September 1960 | 216, East Main Street, Broxburn, West Lothian, EH52 5AS |
| HOUSTON, John Mclellan RESIGNED | Director | 26 Oct 1994 | 28 Mar 2000 | | July 1944 | The Rock, 3 Douglas Avenue, Langbank, PA14 6PE |
| HUTHERSALL, Robert RESIGNED | Director | 30 Mar 2000 | 25 Apr 2001 | | February 1947 | 56 Pentland Drive, Edinburgh, EH10 6PX |
| LANDAU, Ervin RESIGNED | Director | 15 Aug 1996 | 26 Aug 1996 | United Kingdom | August 1936 | 78 Harley House, Marylebone Road, London, NW1 5HN |
| MCGILL, Kenneth Andrew RESIGNED | Director | 22 Jul 2004 | 28 Mar 2006 | | January 1958 | 4 Peastonbank Farm Cottages, By Pencaitland, Tranent, East Lothian, EH34 5ET |
| MCGILL, Kenneth Andrew RESIGNED | Director | 25 Apr 2001 | 01 Nov 2002 | | January 1958 | 4 Peastonbank Farm Cottages, By Pencaitland, Tranent, East Lothian, EH34 5ET |
| MURAI, Kenji RESIGNED | Director | 15 Jul 2011 | 01 Feb 2018 | England | September 1966 | Etel House, Avenue One, Letchworth Garden City, Hertfordshire, SG6 2HU |
| OGURA, Kazushi RESIGNED | Director | 15 Jul 2011 | 01 Mar 2014 | England | May 1973 | Etel House, Avenue One, Letchworth Garden City, Hertfordshire, SG6 2HU |
| OWENS, Stanley Hart RESIGNED | Director | 25 Apr 2001 | 25 Nov 2002 | | March 1948 | 15b Ewerland, Barnton, Edinburgh, EH4 6DH |
| PARKER, Timothy Charles RESIGNED | Director | 14 Nov 2002 | 23 Mar 2005 | United Kingdom | June 1955 | 216, East Main Street, Broxburn, West Lothian, EH52 5AS |
| REID, Thomas Richard Duncan RESIGNED | Director | | 26 Oct 1994 | | September 1944 | Crowsteps Field House, Tydehams, Newbury, Berkshire, RG14 6JT |
| SLADE, Mark Richard RESIGNED | Director | 01 Feb 2018 | 01 Apr 2019 | England | December 1975 | Etel House, Avenue One, Letchworth Garden City, Hertfordshire, SG6 2HU |
| SLADE, Mark Richard RESIGNED | Director | 01 Mar 2014 | 01 Feb 2018 | England | December 1975 | Etel House, Avenue One, Letchworth Garden City, Hertfordshire, SG6 2HU |
| SMITH, Martin William RESIGNED | Director | 29 Dec 1994 | 06 Jan 1995 | Scotland | November 1944 | 4 Suffolk Road, Edinburgh, EH16 5NR |
| WATKINS, Alan Howard RESIGNED | Director | | 01 Aug 1994 | | November 1946 | The New House, Park Corner Drive, East Horsley, Surrey, KT24 6SE |