| Alan Owen Thomas | Director | 1 May 2016 | 23 Sept 2019 | British | 68 years |
| Alexander James Dawe | Director | 1 Mar 2011 | 8 Jun 2012 | British | 45 years |
| Andrew James Parncutt | Secretary | 1 Sept 1997 | 31 Dec 1998 | British | - |
| Andrew Vincent Moloney | Director | 16 Mar 2004 | 13 Mar 2007 | British | 52 years |
| Ann Elizabeth Ling | Director | 1 Feb 2017 | 31 Dec 2023 | British | 49 years |
| Anne Elizabeth Lonsdale | Director | 1 Feb 2013 | 1 Mar 2019 | British | 57 years |
| Anne Margaret Watts | Director | 28 May 1991 | 30 Jun 2002 | British | 77 years |
| Anthony Clifford Holmes | Director | 28 May 1991 | 12 Jan 1996 | British | 72 years |
| Anthony Joseph Ashford | Director | 1 Jan 2003 | 31 Dec 2016 | British | 77 years |
| Bernard Michael Bone | Director | 13 Mar 2007 | 31 Dec 2011 | British | 75 years |
| Brian George Davidson | Director | 28 May 1991 | 3 Oct 1991 | British | 90 years |
| Brian Gerald Pearse | Director | 17 Sept 1992 | 1 Jan 1994 | British | 93 years |
| Brian Lees Goldthorpe | Director | 28 May 1991 | 16 Sept 1992 | British | 93 years |
| Catherine Mary Brett | Director | 1 May 2012 | 31 Jan 2016 | British | 61 years |
| Charles Dudley Humphrey Bryant | Director | 28 May 1991 | 10 Sept 1992 | British | 78 years |
| Charles Michael Playford Matthews | Director | 18 Mar 2003 | 30 Nov 2009 | British | 76 years |
| Christopher David Spooner | Director | 11 Feb 2005 | 13 Mar 2007 | British | 76 years |
| Christopher Paul Gill | Director | 14 Mar 2006 | 1 Feb 2011 | British | 69 years |
| Clare Louise Beale | Director | 1 Mar 2016 | 31 Dec 2020 | British | 54 years |
| Colin Spencer Smith | Director | 12 Dec 2001 | 31 Dec 2003 | British | 80 years |
| David Alan Byrne | Director | 14 Jan 1993 | 16 Apr 1998 | British | 65 years |
| David Alan Thornham | Director | 1 Oct 1992 | 1 Aug 1994 | British | 89 years |
| David Earnee Crew | Director | 14 Jan 1993 | 12 Jan 1996 | British | 73 years |
| David John Daly | Director | 16 Mar 2004 | 13 Mar 2007 | British | 62 years |
| David John Mills | Director | 25 Jan 1994 | 31 Dec 1998 | British | 82 years |
| David John Timothy Bates | Director | 29 May 1997 | 18 Jun 2004 | British | 72 years |
| David William Baker | Director | 1 Jan 1997 | 31 Dec 2002 | British | 84 years |
| Francis John Sullivan | Director | 2 Feb 2009 | 31 Jan 2022 | British | 63 years |
| Glynis List | Director | 20 Mar 2002 | 22 Dec 2008 | British | 73 years |
| Graham Edward Picken | Director | 2 Aug 1994 | 31 Dec 2003 | British | 77 years |
| Graham Paul Craddock | Director | 30 Mar 2007 | 23 Jan 2009 | British | 68 years |
| Hannah Elizabeth Shepherd | Secretary | 26 Sept 2012 | 31 Mar 2014 | - | - |
| Harold Norman Steele | Director | 13 Jan 1997 | 17 Mar 2003 | British | 96 years |
| Henry Edward Robinson | Director | 28 May 1991 | 14 Jan 1993 | British | 83 years |
| Hugh Gerard O'brien | Director | 28 May 1991 | 31 Dec 1998 | Irish | 82 years |
| Ian Bruce Marshall | Secretary | 22 Jun 2000 | 15 Jun 2004 | British | - |
| Ian Christopher Cotterill | Director | 1 May 1997 | 23 Feb 2000 | British | 78 years |
| Irene Mitchell Dorner | Director | 1 Dec 2003 | 30 Apr 2007 | British | 72 years |
| James Henry Fitzgerald | Director | 9 May 1994 | 7 Feb 1996 | British | 84 years |
| Jane Susannah Leach | Director | 1 Jul 2014 | 24 Mar 2016 | British | 60 years |
| Jaqueline Patricia Halewood | Director | 28 May 1991 | 12 Jan 1995 | British | 76 years |
| Jeremy Paul Hands | Director | 1 Jan 2004 | 31 Aug 2010 | British | 67 years |
| John Frederick Quinlan | Director | 14 Nov 1991 | 12 Jan 1995 | British | 90 years |
| John Martin Latham | Director | 23 Feb 2000 | 13 Mar 2007 | British | 84 years |
| Joseph Anthony Fleming | Director | 28 May 1991 | 14 Jan 1993 | British | 86 years |
| Josephine Elizabeth Lowden | Director | 28 May 1991 | 15 Mar 2004 | British | 78 years |
| Julie Halford | Director | 16 Sept 1998 | 28 Feb 2001 | British | 65 years |
| Jusna Khanom Uddin | Director | 13 Jan 1997 | 1 Aug 1999 | British | 53 years |
| Keith Grocock | Director | 17 Sept 2002 | 30 Sept 2002 | British | 60 years |
| Keith John Plummer | Director | 3 Jan 2018 | 30 Nov 2022 | British | 46 years |
| Keith Oliver Hawkes | Director | 27 Oct 1998 | 31 Dec 2003 | British | 82 years |
| Kenneth George Cushing | Director | 1 Jan 1997 | 8 Nov 2000 | British | 78 years |
| Kenneth William Rigby | Director | 28 May 1991 | 31 Dec 1996 | British | 86 years |
| Kenneth William Rigby | Director | 18 Mar 2003 | 14 Mar 2006 | British | 86 years |
| Leonard Vincent John Aspell | Director | 10 Jan 1999 | 30 Dec 2004 | British | 75 years |
| Leonard Vincent John Aspell | Director | 13 Mar 2007 | 1 Mar 2019 | British | 75 years |
| Maria Georgina Coulson | Director | 14 Mar 2006 | 12 Apr 2006 | British | 49 years |
| Mark John Grogan | Director | 1 Mar 2010 | 28 Feb 2015 | British | 65 years |
| Mark John Grogan | Director | 19 Mar 2015 | 31 Aug 2017 | British | 65 years |
| Mark Vincent Dawson | Director | 15 Mar 2005 | 8 Jan 2009 | British | 70 years |
| Maureen Loffill | Director | 1 Jul 2002 | 31 Dec 2004 | British | 76 years |
| Michael David George Morrow | Director | 1 Feb 2011 | 4 Mar 2012 | British | 58 years |
| Michael David Watson | Director | 1 Oct 2004 | 18 Jan 2005 | British | 65 years |
| Michael David Watson | Director | 1 Oct 2004 | 18 Jan 2005 | British | 65 years |
| Michael Graham Firth | Director | 1 Jan 1999 | 15 Sept 2002 | British | 84 years |
| Michael John Kerr | Secretary | 28 May 1991 | 31 Jul 1992 | British | - |
| Michael Oconnell | Director | 14 Jan 1993 | 12 Jan 1995 | British | 80 years |
| Michael Webb Palmer | Director | 1 Mar 2012 | 28 Feb 2017 | British | 73 years |
| Mossman Roueche | Director | 7 Mar 2000 | 31 Jan 2017 | American | 79 years |
| Neil Lister | Secretary | 1 Aug 1992 | 30 Jun 1994 | British | - |
| Nigel Barker | Secretary | 23 Jun 1998 | 21 Jun 2000 | British | - |
| Patricia Anne Sharman | Director | 1 Feb 2013 | 30 Apr 2015 | British | 57 years |
| Patricia Sally Godley-maynard | Director | 18 Mar 2009 | 28 Feb 2011 | British | 72 years |
| Paul Kenneth Seward | Director | 2 Feb 2009 | 31 Jan 2017 | British | 70 years |
| Percy Charles Barrett | Director | 28 May 1991 | 14 Dec 1993 | British | 105 years |
| Peter Daniel Kirk | Director | 28 May 1991 | 11 Dec 2001 | British | 86 years |
| Peter George Wilson | Director | 8 Feb 1996 | 30 Nov 2003 | British | 81 years |
| Peter Smith Hargreaves | Director | 14 Dec 1993 | 10 Jan 1997 | British | 100 years |
| Philip Lindsay Hargreaves | Director | 1 Dec 2001 | 14 Mar 2006 | British | 74 years |
| Rae Volan | Director | 12 Jan 1995 | 13 Mar 2007 | British | 79 years |
| Richard Alan Murden | Director | 18 Mar 2003 | 15 Mar 2004 | British | 66 years |
| Richard Delbridge | Director | 28 May 1991 | 30 Nov 1995 | British | 84 years |
| Richard Frederick Farrand | Director | 1 Jan 2004 | 30 Jan 2006 | British | 65 years |
| Richard John Woodhams | Secretary | 1 Jul 1994 | 1 Sept 1997 | British | - |
| Robert Hugh Musgrove | Secretary | 15 Jun 2004 | 16 Sept 2009 | British | - |
| Robert Laurence Wyatt | Director | 28 May 1991 | 13 Feb 1997 | British | 83 years |
| Rodney Jympson Duke | Director | 16 Sept 2002 | 24 May 2004 | British | 76 years |
| Rodney Lister Bass | Director | 28 May 1991 | 22 Jun 1999 | British | 81 years |
| Rodney Lister Bass | Director | 14 Mar 2006 | 29 Feb 2012 | British | 81 years |
| Ronald Leslie Price | Director | 28 May 1991 | 31 Mar 1994 | British | 88 years |
| Russell Clive Picot | Director | 9 Nov 2000 | 30 Jun 2014 | British | 69 years |
| Sarah Caroline Gott | Secretary | 16 Sept 2009 | 26 Sept 2012 | British | - |
| Sharon Barbara Mcglone | Director | 12 Jan 2000 | 30 Nov 2001 | British | 73 years |
| Sheila Leng | Director | 3 Oct 1991 | 14 Jan 1993 | British | 81 years |
| Sheila Mary Lowe | Director | 20 Mar 2002 | 14 Mar 2005 | British | 77 years |
| Stephen Peter Redvers Cowling | Director | 1 Mar 2012 | 31 Aug 2012 | British | 52 years |
| Stephen William Ray | Director | 12 Jan 1996 | 17 Mar 2003 | British | 78 years |
| Stewart Dack | Director | 15 Mar 2005 | 13 Mar 2007 | British | 70 years |
| Stewart Dack | Director | 18 Mar 2009 | 28 Feb 2014 | British | 70 years |
| Stuart John Walker | Director | 1 Dec 2010 | 1 Jan 2019 | British | 73 years |
| Stuart Kingsley White | Director | 1 Mar 2014 | 31 Mar 2024 | British | 55 years |
| Stuart Livingstone Grant | Director | 1 Jun 2007 | 26 Jan 2009 | British | 71 years |
| Susan Winifred Jex | Director | 1 Jan 2004 | 13 Mar 2007 | British | 66 years |
| Sylvia Vallentin | Director | 28 May 1991 | 12 Jan 2000 | British | 76 years |
| Terence John Bellamy | Director | 12 Jan 1996 | 10 Jan 1999 | British | 80 years |
| Terence John Bellamy | Director | 23 Jun 1999 | 1 Nov 2001 | British | 80 years |
| Thomas Richard Carroll | Director | 12 Jan 1995 | 7 Feb 1997 | British | 71 years |
| Wayne Matthew Finch | Director | 28 May 1991 | 14 Nov 1991 | British | 69 years |
| Wayne Matthew Finch | Director | 12 Jan 1995 | 24 Jun 1996 | British | 69 years |