| ROBINSON, Michael Stuart ACTIVE | Secretary | 15 May 2019 | | | | C/O Sedulo Office 605, Albert House 256-260 Old Street, London, EC1V 9DD, England |
| MCGETTRICK, Peter Alistair ACTIVE | Director | 25 Oct 2021 | | England | December 1975 | C/O Sedulo Office 605, Albert House 256-260 Old Street, London, EC1V 9DD, England |
| ROBINSON, Michael Stuart ACTIVE | Director | 01 Sep 2015 | | England | May 1964 | C/O Sedulo Office 605, Albert House 256-260 Old Street, London, EC1V 9DD, England |
| ANDERSON, Gary RESIGNED | Secretary | 24 Sep 2009 | 27 Apr 2010 | | | 20, Windlesham Gardens, Shoreham-By-Sea, West Sussex, BN43 5AD |
| BALLARD, David Edward RESIGNED | Secretary | 01 Jan 2004 | 10 Sep 2004 | | | 10 Brentham Way, Ealing, London, W5 1BJ |
| BOTHA, Constantine Alexander RESIGNED | Secretary | 27 Apr 2010 | 26 Oct 2010 | | | 70, Chancellor's Rd, London, W6 9RS |
| BRETT, James Nicholas RESIGNED | Secretary | | 30 Jun 1997 | | | 6 Heath Road, Harrow, Middlesex, HA1 4DA |
| CHAMPNESS, Chay John RESIGNED | Secretary | 10 Sep 2004 | 24 Sep 2009 | | | 3 Old House Close, Ewell Village, Epsom, Surrey, KT17 1LE |
| MERCER, Barry David RESIGNED | Secretary | 07 Jul 1997 | 31 Dec 2003 | | | 58 Harbury Road, Carshalton Beeches, Carshalton, Surrey, SM5 4LA |
| SINGFIELD, Martin John RESIGNED | Secretary | 07 Aug 2012 | 16 Apr 2019 | | | 70, Chancellor's Rd, London, W6 9RS |
| SPELLMAN, Rosalind Clare RESIGNED | Secretary | 26 Oct 2010 | 31 Jul 2012 | | | 70, Chancellor's Rd, London, W6 9RS |
| ANDERSON, Nicholas Peter Claridge RESIGNED | Director | 18 Sep 2001 | 11 Dec 2002 | | January 1958 | Ridge House, 47 Pavenhill, Purton, Wiltshire, SN5 4BZ |
| BALLARD, David Edward RESIGNED | Director | 18 Sep 2001 | 06 Nov 2007 | England | December 1943 | 10 Brentham Way, Ealing, London, W5 1BJ |
| BOTHA, Constantine Alexander RESIGNED | Director | 30 Jun 2011 | 31 Dec 2014 | England | June 1975 | 70, Chancellor's Rd, London, W6 9RS |
| BRETT, James Nicholas RESIGNED | Director | | 30 Jun 1997 | | November 1936 | 6 Heath Road, Harrow, Middlesex, HA1 4DA |
| CHAMPNESS, Chay John RESIGNED | Director | 13 May 2005 | 24 Sep 2009 | England | December 1971 | 3 Old House Close, Ewell Village, Epsom, Surrey, KT17 1LE |
| COOLING, Robert Fletcher, Dr RESIGNED | Director | 29 Aug 2023 | 15 Nov 2024 | United Arab Emirates | January 1979 | 10, Queen Street Place, First Floor, London, EC4R 1BE, England |
| COX, Ron John RESIGNED | Director | 14 Aug 2002 | 30 Oct 2007 | | April 1945 | Tutchwood, 2 Rookwood Gardens, Fordingbridge, Hampshire, SP6 1TA |
| HARDY, Mark Glyn RESIGNED | Director | 29 Oct 2013 | 25 Oct 2021 | England | June 1953 | 2, Heathwood Close, Leighton Buzzard, Bedfordshire, LU7 3DU, England |
| HOOPER, Christopher Robin RESIGNED | Director | 01 May 1997 | 30 Jun 2002 | | July 1932 | 10 Loggon Road, Basingstoke, Hampshire, RG21 3PH |
| LATTO, Douglas, Doctor RESIGNED | Director | | 03 Dec 1997 | | December 1913 | 4 Derby Road, Caversham, Reading, Berkshire, RG4 0EZ |
| MERCER, Barry David RESIGNED | Director | 07 Jul 1997 | 31 Dec 2003 | | January 1950 | 58 Harbury Road, Carshalton Beeches, Carshalton, Surrey, SM5 4LA |
| NERNEY, Julie Claire RESIGNED | Director | 24 Sep 2009 | 30 Jun 2011 | Uk | November 1971 | Flat 4, 12 Salisbury Road, Hove, East Sussex, BN3 3AD |
| NIMICK, Brian Edward RESIGNED | Director | 06 Nov 2007 | 10 Jul 2009 | United Kingdom | July 1949 | 14 Abbotts Hill, Little Ann, Andover, Hampshire, SP11 7PJ |
| PURVIS, Neville, Vice Admiral Sir RESIGNED | Director | 01 May 1997 | 31 Jul 2001 | United Kingdom | May 1936 | 11 Kingswood Terrace, Chiswick, London, W4 5BN |
| STONE, Neal Trevor RESIGNED | Director | 01 Jan 2015 | 31 Aug 2015 | England | April 1952 | 70, Chancellor's Rd, London, W6 9RS |
| TYE, James RESIGNED | Director | | 21 Jul 1996 | | December 1921 | 55 Hartington Road, London, W4 3TS |
| WATCHMAN, Charles Michael RESIGNED | Director | 29 Jan 2008 | 29 Oct 2013 | United Kingdom | December 1942 | 29, Mardley Hill, Welwyn, Herts, AL6 0TT |