| Allyn Byram Taylor | Director | 20 Apr 2009 | 7 Jun 2011 | United States | 78 years |
| Bruce Charles Coles | Director | 1 Oct 1996 | 3 May 2001 | American | 82 years |
| Christopher John Stancombe | Director | 10 May 1995 | 10 Nov 2000 | British | 63 years |
| David Ellis | Director | 5 Sept 2018 | 3 Jun 2019 | British | 54 years |
| Frederick James Steinbrenner | Director | 20 Jan 1993 | 11 May 1996 | American | 94 years |
| Geoffrey Hamilton Coates | Director | 20 Jan 1993 | 12 Nov 1993 | British | 102 years |
| Geoffrey John Brice | Director | 11 Aug 1994 | 3 Sept 1999 | British | 87 years |
| Graham Reginald Withers | Secretary | 20 Jan 1993 | 1 Feb 1995 | British | - |
| Graham Roger Jones | Director | 17 Oct 2003 | 1 Jan 2012 | British | 78 years |
| Guy Douglas | Director | 3 Jun 2019 | 11 Aug 2021 | British | 45 years |
| Hugh Donald Morrison | Director | 30 Nov 2020 | 15 Dec 2022 | British | 56 years |
| James Grant Forbes Dawson | Director | 11 Aug 1994 | 28 Sept 2001 | British | 86 years |
| James Ivan Danger | Director | 10 May 1995 | 3 Oct 1996 | American | 83 years |
| Jimmy Lowell Williams | Director | 20 Jan 1993 | 10 May 1995 | American | 78 years |
| John Brown Bowcock | Director | 20 Jan 1993 | 10 May 1995 | British | 95 years |
| John Conor Doyle | Director | 22 Oct 2013 | 7 Oct 2016 | Irish | 67 years |
| John Richard Hennessey | Director | 20 Jan 1993 | 10 May 1995 | British | 90 years |
| Jonathan R. Shattock | Director | 30 Nov 2016 | 30 Nov 2020 | British | 62 years |
| Michael Sean Udovic | Secretary | 14 Apr 2011 | 1 Sept 2015 | - | - |
| Michael Timothy Norris | Secretary | 30 Jun 1999 | 23 May 2018 | British | - |
| Michael Wayne Montgomery | Director | 20 Jan 1993 | 31 Dec 1994 | American | 79 years |
| Paul Adrian Auchmuty Back | Director | 20 Jan 1993 | 30 Sept 1994 | British | 96 years |
| Peter Donald Brettell | Director | 10 May 1995 | 17 Oct 2003 | British | 73 years |
| Raghbir Kumar Sehgal | Director | 20 Jan 1993 | 20 Jan 1995 | American | 86 years |
| Rhona Mary Holman | Secretary | 10 Feb 2023 | 21 Aug 2023 | - | - |
| Robert Anthony Michael Irvin | Director | 7 Jun 2011 | 23 Oct 2013 | British | 68 years |
| Robert Brown Fooshee | Director | 1 Oct 1996 | 3 May 2001 | American | 84 years |
| Robert Shepherd Duff | Director | 1 Jan 2012 | 17 Jan 2017 | British | 67 years |
| Sandra Lesley Ward | Secretary | 1 Feb 1995 | 30 Jun 1999 | British | - |
| Tejender Singh Chaudhary | Secretary | 23 May 2018 | 10 Feb 2023 | - | - |
| Walter Charles Barber | Director | 17 Oct 2003 | 6 Apr 2009 | American | 85 years |
| William Allen Walker | Director | 11 Aug 1997 | 3 May 2001 | American | 76 years |
| William Clyde Markley | Secretary | 4 Nov 2002 | 14 Apr 2011 | American | - |