| Alan Lewis Robson | Secretary | 25 Apr 1992 | 1 Dec 1995 | British | - |
| Alastair David Lyons | Director | 16 Mar 2010 | 1 Jul 2015 | British | 73 years |
| Andrew Mark Jenner | Director | 3 May 2002 | 30 Sept 2014 | British | 57 years |
| Angela Susan Risley | Director | 1 Apr 2011 | 15 Sept 2017 | British | 68 years |
| Angus George Cockburn | Director | 27 Oct 2014 | 21 Apr 2021 | British | 63 years |
| Betsy Jane Bernard | Director | 20 Dec 2000 | 29 Oct 2001 | American | 71 years |
| Brian John Slade | Director | 25 Apr 1992 | 31 Dec 1993 | British | 95 years |
| Christopher Rajendran Hyman | Director | 1 Apr 1999 | 25 Oct 2013 | South African | 63 years |
| Christopher Rajendran Hyman | Secretary | 19 Jun 1996 | 1 Apr 1999 | British | - |
| David Charles Eveleigh | Secretary | 17 Nov 2014 | 15 Sept 2023 | - | - |
| David Ernest Perkins | Director | 25 Apr 1992 | 22 Oct 1997 | British | 79 years |
| David Hedley Richardson | Director | 2 Jun 2003 | 15 May 2013 | British | 75 years |
| Deanne Shirley Julius | Director | 29 Oct 2001 | 29 Oct 2007 | British | 77 years |
| Edward John Casey Jr | Director | 25 Oct 2013 | 31 Dec 2017 | American | 68 years |
| Eric Martin Born | Director | 1 Jan 2019 | 31 Dec 2021 | Swiss | 56 years |
| Everton Bryan | Director | 29 Feb 1996 | 1 Apr 1999 | British | 67 years |
| Gary Leon Sturgess | Director | 5 Dec 1994 | 20 Dec 2000 | Australian | 73 years |
| George Gowans Gray | Director | 25 Apr 1992 | 1 Apr 1999 | British | 88 years |
| Gerrard Rodgers | Director | 20 Nov 1997 | 3 Mar 2000 | British | 78 years |
| Grant Rumbles | Director | 3 Jul 2007 | 25 Mar 2008 | British | 68 years |
| Iestyn Milton Williams | Director | 25 Apr 1992 | 31 Mar 2004 | British | 75 years |
| Janis Rachel Lomax | Director | 3 Mar 2014 | 30 Aug 2020 | British | 81 years |
| Joanne Roberts | Secretary | 2 Feb 2005 | 15 May 2012 | British | - |
| John Patrick Hickey | Secretary | 15 May 2012 | 17 Nov 2014 | - | - |
| John Stainton Whitehead | Director | 5 Dec 1994 | 14 Jun 1996 | British | 94 years |
| Jr Crosby | Director | 30 Jun 2011 | 1 Jul 2017 | American | 79 years |
| Julia Naomi Cavanagh | Secretary | 1 Apr 1999 | 2 Feb 2005 | British | - |
| Kevin Stanley Beeston | Director | 29 Feb 1996 | 11 May 2010 | British | 64 years |
| Kevin Stanley Beeston | Secretary | 1 Dec 1995 | 19 Jun 1996 | British | - |
| Leonard Victor Broese Van Groenou | Director | 3 Apr 2006 | 14 May 2012 | Dutch | 79 years |
| Malcolm Ian Wyman | Director | 1 Jan 2013 | 31 Oct 2016 | British | 80 years |
| Margaret Anne Ford | Director | 8 Oct 2003 | 31 Dec 2010 | British | 69 years |
| Mark Winston Irwin | Director | 1 Jan 2023 | 28 Feb 2025 | Australian | 61 years |
| Michael Clasper | Director | 3 Mar 2014 | 31 Dec 2018 | British | 73 years |
| Nickesha Graham-burrell | Secretary | 15 Sept 2023 | 1 Oct 2025 | - | - |
| Paul Timothy Coleman Brooks | Director | 1 Feb 2011 | 9 Jan 2012 | British | 73 years |
| Peter Frederick Howard Towle | Director | 25 Apr 1992 | 13 Dec 1994 | British | 113 years |
| Ralph Noel Hodge | Director | 5 Apr 2000 | 5 May 2006 | British | 92 years |
| Rhidian Huw Brynmor Jones | Director | 25 Apr 1992 | 30 Sept 1994 | British | 83 years |
| Rhidian Huw Brynmor Jones | Director | 17 Jun 1996 | 30 Apr 2004 | British | 83 years |
| Richard David White | Director | 25 Apr 1992 | 3 May 2002 | British | 77 years |
| Roy Alan Gardner | Director | 1 Jun 2015 | 21 Apr 2021 | British | 81 years |
| Rupert Christopher Soames | Director | 8 May 2014 | 31 Dec 2022 | British | 67 years |
| Tamara Ingram | Director | 3 Mar 2014 | 31 Jul 2016 | British | 66 years |
| Thomas Corcoran | Director | 13 Dec 2007 | 31 Dec 2010 | Usa | 82 years |