| ACEDO, Michael Fernando ACTIVE | Director | 01 Jul 2022 | | Canada | November 1980 | 420, Thames Valley Park Drive, Reading, RG6 1PT, England |
| WAIDA, Christian ACTIVE | Director | 01 Apr 2020 | | England | January 1966 | 420, Thames Valley Park Drive, Reading, RG6 1PT, England |
| WILKINSON, Mark Kenneth ACTIVE | Director | 01 Apr 2022 | | United Kingdom | September 1966 | 420, Thames Valley Park Drive, Reading, RG6 1PT, England |
| FREIJ, Dima RESIGNED | Secretary | 26 Mar 2019 | 01 Apr 2020 | | | 420, Thames Valley Park Drive, Reading, RG6 1PT, England |
| HAMMERTON, Neil RESIGNED | Secretary | 21 Nov 2002 | 16 May 2006 | | | 6, Tally Road, Limpsfield Chart, Surrey, RH8 0TG, United Kingdom |
| MILLER, Greg RESIGNED | Secretary | 16 May 2006 | 22 Nov 2007 | | | Chartlands, Itchingwood Common, Oxted, Surrey, RH8 0RL |
| SHIELDS, Margaret RESIGNED | Secretary | 30 Nov 2011 | 26 Mar 2019 | | | 24 Orient Way, 24 Orient Way, Pride Park, Derby, DE24 8BY, England |
| ZWART, Anne-Klaas, Mr. RESIGNED | Secretary | 29 Jul 2009 | 30 Nov 2011 | | | 100 Cottimore Avenue, Walton On Thames, Surrey, KT12 2AF |
| ALLINGHAM, William Christopher RESIGNED | Director | 19 Apr 2012 | 07 Dec 2014 | United States | May 1973 | 385, Interlocken Crescent, Suite 800, Broomfield, Colorado, 80021, Usa |
| BALL, Frederick RESIGNED | Director | 07 Jan 2008 | 29 Apr 2011 | Usa | September 1962 | 18930 Cyril Place, Saratoga, California 96070, United States |
| COLE, Adam Hugh RESIGNED | Director | 01 Apr 2005 | 22 Nov 2007 | | April 1950 | 19 Chepstow Crescent, London, W11 3EA |
| DAVIES, Gordon Allan RESIGNED | Director | 01 Jan 2020 | 01 Jul 2022 | Canada | April 1962 | 420, Thames Valley Park Drive, Reading, RG6 1PT, England |
| FOLGER, Anthony RESIGNED | Director | 26 Mar 2019 | 01 Jan 2020 | United States | February 1972 | 420, Thames Valley Park Drive, Reading, RG6 1PT, England |
| GALLIENNE, Oliver RESIGNED | Director | 01 Apr 2020 | 23 Feb 2022 | England | January 1973 | 420, Thames Valley Park Drive, Reading, RG6 1PT, England |
| HAMMERTON, Neil RESIGNED | Director | 21 Nov 2002 | 22 Nov 2007 | United Kingdom | April 1970 | 6, Tally Road, Limpsfield Chart, Surrey, RH8 0TG, United Kingdom |
| HOWE, Ryan, Mr. RESIGNED | Director | 01 Feb 2015 | 26 Mar 2019 | United States | August 1981 | 24 Orient Way, 24 Orient Way, Pride Park, Derby, DE24 8BY, England |
| HUBERMAN, David RESIGNED | Director | 05 May 2009 | 25 Oct 2013 | United States | July 1970 | 1526 S.Gaylord Street, Denver, Denver 80210, United States |
| IRWIN, Michael Karl RESIGNED | Director | 22 Nov 2007 | 24 Oct 2008 | | March 1969 | 410 Pine Street, Boulder, Colorado 80302, Usa |
| MOCHAN, Philip Gerard RESIGNED | Director | 01 Apr 2005 | 22 Nov 2007 | United Kingdom | August 1963 | Flat 17 Raven Wharf, 14 Lafone Street, London, SE1 2LR |
| PACE, Joshua RESIGNED | Director | 22 Nov 2007 | 30 Apr 2008 | | March 1967 | 485 Williams Street, Denver, Colorado 80218, United States |
| PAGE, Rupert Oliver RESIGNED | Director | 21 Nov 2002 | 22 Nov 2007 | England | August 1963 | Hitcham Lodge, Taplow, Maidenhead, Berks, SL6 0LG |
| POST, John Osborn, Mr. RESIGNED | Director | 29 Apr 2011 | 01 Jan 2020 | United States | July 1968 | 385, Interlocken Crescent, Suite 800, Broomfield, Colorado, 80021, United States |
| RAFFERTY, Neil Martin RESIGNED | Director | 08 Dec 2005 | 21 Sep 2006 | Belgium | October 1957 | Rue Du Vallon 1, Ohain, B-1380, Belgium |
| RANGANATHAN, Madhu RESIGNED | Director | 01 Jan 2020 | 27 Jan 2025 | United States | May 1964 | 420, Thames Valley Park Drive, Reading, RG6 1PT, England |
| SHIELDS, Margaret Megan RESIGNED | Director | 28 Feb 2014 | 26 Mar 2019 | England | April 1975 | 24 Orient Way, 24 Orient Way, Pride Park, Derby, DE24 8BY, England |
| SUMMERS, Patrick RESIGNED | Director | 22 Nov 2007 | 19 Sep 2008 | | January 1960 | 8901 Little Raven Trail, Niwot, Colorado 80503, United States |
| WATKINS, Peter RESIGNED | Director | 13 Jan 2009 | 04 May 2009 | | April 1955 | 1 Parkwood Drive, Atherton, California 94027, Us |