| WILSON, Gordon James ACTIVE | Secretary | 02 May 2022 | | | | 91-93, Great Eastern Street, London, EC2A 3HZ, United Kingdom |
| HOGAN, Patrick Gerard, Dr ACTIVE | Director | 29 Aug 2025 | | United States | March 1964 | 91-93, Great Eastern Street, London, EC2A 3HZ, United Kingdom |
| III, Rafael Enriquillo Frias ACTIVE | Director | 17 Oct 2025 | | United States | November 1975 | 91-93, Great Eastern Street, London, EC2A 3HZ, United Kingdom |
| COCKRELL, Frank RESIGNED | Secretary | | 16 Jun 1993 | | | 215 West 124th Street, Kansas City 64145, FOREIGN, Usa |
| DALY, Christine Anne RESIGNED | Secretary | 21 Dec 2007 | 23 Jul 2014 | | | Hill House, Old London Road, Maresfield, East Sussex, TN22 3DP |
| HEDEMANN, George Christian RESIGNED | Secretary | 09 Jan 1995 | 02 Jun 2008 | | | 12520 Sherwood Drive, Leawood Kansas 66209, Usa, FOREIGN |
| MCCORMACK, Francis Declan Finbar Tempany RESIGNED | Secretary | 23 Jul 2014 | 02 May 2022 | | | 1, Farnham Road, Guildford, Surrey, GU2 4RG, England |
| SCHOENLAUB, Fred Edward RESIGNED | Secretary | 16 Jun 1993 | 09 Jan 1995 | | | 11200 Belleview Kansas City, Missouri Jackson County 64114, Usa, FOREIGN |
| TRIPLETT, Timothy RESIGNED | Secretary | 02 Jun 2008 | 17 Jan 2014 | | | 11603 Mohawk,, Leawood, Kansas, 66211, United States |
| ACHESON, Allen Morrow RESIGNED | Director | | 13 Apr 1992 | | June 1926 | 224 West 124th Street, Kansas City Missouri 64145, FOREIGN, Usa |
| ADAM, Paul James RESIGNED | Director | 07 Jul 1989 | 30 Nov 1999 | | October 1934 | 10500 W 143rd Street, Overland Park, Ks, 66221, Usa |
| AINSWORTH, Bruce Alan RESIGNED | Director | 07 Dec 2005 | 21 Jun 2013 | United Kingdom | October 1951 | 24, Barrow Gardens, Redhill, Surrey, RH1 1TP |
| BLACKER, Ian RESIGNED | Director | 31 Aug 2022 | 14 Mar 2024 | United Kingdom | July 1967 | 16, Upper Woburn Place, London, WC1H 0AF, United Kingdom |
| COLLINS, Anthony Edward RESIGNED | Director | 21 Dec 2007 | 16 Dec 2010 | United Kingdom | March 1956 | 1a Dovecot Road, Edinburgh, EH12 7LF |
| DAVIDSON, Patrick George, Dr RESIGNED | Director | 10 Dec 1996 | 06 Aug 2001 | | January 1948 | 12102 Goodard Drive, Overland Park, Kansas, 66213, U S A |
| DOULL, James Douglas RESIGNED | Director | 15 Jan 2021 | 24 Jul 2025 | United States | May 1961 | York House, 221 Pentonville Road, Office 4.10, London, N1 9UZ, United Kingdom |
| FAIRFAX, Matthew William RESIGNED | Director | 04 Dec 2020 | 15 Jan 2021 | United Kingdom | March 1969 | 1, Farnham Road, Guildford, Surrey, GU2 4RG, England |
| GIBSON, Robbie John Reed RESIGNED | Director | 04 Dec 2020 | 16 May 2025 | United Kingdom | November 1983 | York House, 221 Pentonville Road, Office 4.10, London, N1 9UZ, United Kingdom |
| GURNEY, Charles Albert RESIGNED | Director | 12 Aug 1999 | 04 Sep 2000 | | July 1967 | 3 Marlow Drive, Haywards Heath, West Sussex, RH16 3SR |
| HALL, Wayne Frank RESIGNED | Director | 16 Jun 1993 | 16 Feb 2006 | | February 1944 | 7720 Oakview Lane, Lenexa, Kansas 66216, Usa |
| HARMER, Paul RESIGNED | Director | 04 Dec 2020 | 31 Jul 2022 | United Kingdom | June 1969 | 16, Upper Woburn Place, London, WC1H 0AF, United Kingdom |
| HEDEMANN, George Christian RESIGNED | Director | 09 Jan 1995 | 02 Jun 2008 | | December 1943 | 12520 Sherwood Drive, Leawood Kansas 66209, Usa, FOREIGN |
| HETHERINGTON, James Stephen RESIGNED | Director | 13 Aug 1997 | 30 Apr 1998 | | April 1939 | 60 Carlton Road, Redhill, Surrey, RH1 2BX |
| HOFFMAN, Angela RESIGNED | Director | 07 Dec 2005 | 23 Jun 2006 | | January 1965 | 5 Oxford Gate, Brook Green, London, W6 7DA |
| HUGHES, Lawrence Gareth Spencer RESIGNED | Director | 30 Nov 1999 | 08 Aug 2000 | | August 1953 | 38 Woodlands Road, Sonning Common, Reading, Berkshire, RG4 9TE |
| JOHNSON III, Clifford A RESIGNED | Director | 12 Jan 2006 | 21 Dec 2007 | | March 1945 | 162 Burntwood Lane, Caterham, Surrey, CR3 6TB |
| MAZANY, Daniel Keith RESIGNED | Director | 16 Jun 1993 | 01 Sep 1999 | | March 1946 | 62 Twickenham Road, Teddington, Middlesex, TW11 8AW |
| MERJANEH, Youssef RESIGNED | Director | 14 Apr 2021 | 29 Aug 2025 | United Arab Emirates | October 1977 | York House, 221 Pentonville Road, Office 4.10, London, N1 9UZ, United Kingdom |
| MOIR, Ian William Morham RESIGNED | Director | 14 Apr 1992 | 20 Sep 1993 | | January 1935 | Home Farm Orchard Three Households, Chalfont St Giles, Buckinghamshire, HP8 4LP |
| PATTON, James Learoy RESIGNED | Director | 16 Jun 1993 | 24 Aug 2002 | | August 1941 | 13105 Lamar Overland Park, Kansas Johnson County 66209, Usa, FOREIGN |
| REORDA, Thomas RESIGNED | Director | 08 Dec 2011 | 17 Jan 2014 | United States Of American | August 1955 | 20624 W. 96th Terr, Lenexa, Kansas, Ks 6622, United States |
| ROBINSON, Ian Michael RESIGNED | Director | 21 Jun 2013 | 15 Jan 2021 | England | February 1965 | 1, Farnham Road, Guildford, Surrey, GU2 4RG, England |
| ROBINSON, John Hamilton, Chairman RESIGNED | Director | 01 Jun 1993 | 31 Mar 2000 | | August 1950 | 6504 High Drive, Mission Hills Kansas 66208, Usa |
| RUISCH JNR, Robert Glenwood RESIGNED | Director | 16 Jun 1993 | 15 Jul 1996 | | May 1939 | 12302 Cherokee Lane, Leawood, Kansas 66209, Usa |
| SCHOENLAUB, Fred Edward RESIGNED | Director | 16 Jun 1993 | 09 Jan 1995 | | January 1930 | 11200 Belleview Kansas City, Missouri Jackson County 64114, Usa, FOREIGN |
| SCOTT, Christopher William Timpson RESIGNED | Director | 04 Dec 2020 | 04 Nov 2022 | England | June 1962 | 16, Upper Woburn Place, London, WC1H 0AF, United Kingdom |
| SMITH, Christopher James RESIGNED | Director | 06 Oct 2000 | 02 Dec 2005 | | February 1955 | 56 Tower View, Shirley, Croydon, Surrey, CR0 7PU |
| SMITH, Douglas Gene RESIGNED | Director | 30 Nov 1999 | 30 Jan 2004 | | October 1949 | 3 Ridgeway, Virginia Water, Surrey, GU25 4TE |
| STAMM, Rolf RESIGNED | Director | | 16 Jun 1993 | | November 1936 | 12421 High Drive, Leawood, Kansas 66209, Usa |
| THOMAS, Rosemary Elizabeth RESIGNED | Director | 23 Apr 2004 | 30 Sep 2004 | England | November 1963 | 127 Sydenham Hill, Dulwich, London, SE26 6LW |
| TRESISE, Michael Charles RESIGNED | Director | 10 Dec 1996 | 08 Oct 2000 | England | December 1961 | 28 Evesham Walk, Sandhurst, Berkshire, GU47 0YU |
| TRIPLETT, Timothy RESIGNED | Director | 02 Jun 2008 | 17 Jan 2014 | Usa | September 1954 | 11603 Mohawk,, Leawood, Kansas, 66211, United States |
| WRIGHTON, Emma Kathryn RESIGNED | Director | 21 Dec 2007 | 31 Dec 2011 | England | April 1973 | 2 Fairford Close, Haywards Heath, West Sussex, RH16 3EF |
| YOUINGS, John RESIGNED | Director | 30 Nov 1999 | 21 Apr 2004 | United Kingdom | January 1943 | Yew Tree House Princess Hill, Redlynch, Salisbury, Wiltshire, SP5 2HG |