| Alan Clive Butler | Director | 18 Jun 1993 | 16 Apr 2003 | British | 79 years |
| Alan Denis Martineau | Director | 13 Apr 1989 | 1 May 1989 | British | 105 years |
| Alan Edward Moore | Director | 28 Dec 1995 | 16 Apr 2003 | British | 89 years |
| Alan Peter Dickinson | Director | 8 Sept 2014 | 16 May 2024 | British | 75 years |
| Alastair John Michie | Secretary | 28 Dec 1995 | 8 May 2008 | British | - |
| Alexander Park Leitch | Director | 1 Oct 2005 | 29 Feb 2012 | British | 78 years |
| Andrew Henry Longhurst | Director | 1 Jan 1997 | 15 Apr 1998 | British | 86 years |
| Angela Ann Knight | Director | 1 May 2003 | 31 Oct 2006 | British | 75 years |
| Anita Margaret Frew | Director | 1 Dec 2010 | 21 May 2020 | British | 68 years |
| Anthony Watson | Director | 2 Apr 2009 | 11 May 2017 | British | 80 years |
| António Mota De Sousa Horta-osório | Director | 17 Jan 2011 | 30 Apr 2021 | Portuguese | 61 years |
| Archibald Gerard Kane | Director | 1 Jan 2000 | 18 May 2011 | British | 73 years |
| Brian Ivor Pitman | Director | 28 Dec 1995 | 18 Apr 2001 | British | 94 years |
| Bridget Margaret Ogilvie | Director | 28 Dec 1995 | 11 Apr 2000 | Australian | 87 years |
| Carolyn Julia Mccall | Director | 1 Oct 2008 | 31 Dec 2009 | British | 64 years |
| Carolyn Julie Fairbairn | Director | 1 Jun 2012 | 31 Oct 2015 | British | 65 years |
| Christopher Shaw Gibson Smith | Director | 1 Jan 1999 | 5 May 2005 | British | 80 years |
| Claire Anne Davies | Secretary | 1 Aug 2012 | 31 Dec 2013 | - | - |
| David Arnold Stuart Plastow | Director | 1 May 1991 | 14 Apr 1999 | British | 93 years |
| David Bruce Thorn | Director | 13 Apr 1989 | 31 Oct 1990 | British | 89 years |
| David Geoffrey Manning | Director | 1 May 2008 | 2 Nov 2009 | British | 76 years |
| David John Davies | Director | 13 Apr 1989 | 31 Dec 1989 | British | 85 years |
| David Lawton Roberts | Director | 1 Mar 2010 | 14 May 2014 | British | 63 years |
| David Miles Backhouse | Director | 13 Apr 1989 | 10 Nov 1992 | British | 86 years |
| David Peter Pritchard | Director | 1 Apr 1998 | 5 May 2005 | British | 81 years |
| Deanne Shirley Julius | Director | 1 Oct 2001 | 9 May 2007 | British | 76 years |
| Deborah Doyle Mcwhinney | Director | 1 Dec 2015 | 31 Dec 2018 | American | 70 years |
| Dennis Holt | Director | 1 Feb 2000 | 31 Aug 2001 | British | 77 years |
| Dolf Cecil Mootham | Director | 13 Apr 1989 | 26 Mar 1992 | British | 92 years |
| Donald Cecil Mccrickard | Director | 13 Apr 1989 | 24 Aug 1992 | British | 89 years |
| Dyfrig Dafydd Joseff John | Director | 1 Jan 2014 | 11 May 2016 | British | 75 years |
| Eric Swainson | Director | 28 Dec 1995 | 15 Apr 1997 | British | 99 years |
| Eric Wilson | Director | 13 Apr 1989 | 1 May 1989 | British | 90 years |
| Ewan Brown | Director | 1 Apr 1999 | 5 Jun 2009 | British | 83 years |
| Gavin John Norman Gemmell | Director | 17 Apr 2002 | 30 Sept 2007 | British | 84 years |
| Geoffrey Leonard Hughes | Director | 13 Apr 1989 | 1 May 1989 | British | 103 years |
| George Bryan Corser | Director | 13 Apr 1989 | 1 May 1989 | British | 100 years |
| George Truett Tate | Director | 1 Aug 2004 | 6 Feb 2012 | American | 75 years |
| Glen Richard Moreno | Director | 1 Mar 2010 | 17 May 2012 | American/british | 82 years |
| Gordon Alexander Anderson | Director | 26 Aug 1993 | 14 Apr 1999 | British | 94 years |
| Gordon Francis Pell | Director | 1 Mar 1998 | 7 Jan 2000 | British | 75 years |
| Hamish Donaldson | Director | 1 May 1990 | 20 Mar 1991 | British | 89 years |
| Hans-detlef Boesel | Director | 20 Jan 1993 | 28 Dec 1995 | German | 79 years |
| Harold Francis Baines | Secretary | 16 Jan 2009 | 1 Aug 2012 | British | - |
| Helen Alison Weir | Director | 26 Apr 2004 | 18 May 2011 | British | 63 years |
| Hugh Ronald Freedberg | Director | 1 Oct 1990 | 28 Dec 1995 | British | 80 years |
| Ian James Fraser | Director | 13 Apr 1989 | 28 Mar 1991 | British | 102 years |
| Ian Maurice Gray Prosser | Director | 28 Dec 1995 | 31 Jul 1999 | British | 82 years |
| James Dundas Hamilton | Director | 13 Apr 1989 | 29 Mar 1990 | British | 106 years |
| James Peter Rees Holt | Director | 13 Apr 1989 | 1 May 1989 | British | 96 years |
| Jan Petrus Du Plessis | Director | 1 Oct 2005 | 17 Apr 2009 | South African/british | 71 years |
| Jane Earl | Secretary | 1 May 1995 | 31 Mar 1996 | British | - |
| Jane Primrose Gifford Prior | Director | 13 Apr 1989 | 23 Mar 1995 | British | 95 years |
| John Anthony Burns | Director | 1 Feb 1992 | 28 Dec 1995 | British | 89 years |
| John Bruce-gardyne | Director | 13 Apr 1989 | 15 Apr 1990 | British | 95 years |
| John Bruce-gardyne | Director | 12 Apr 1990 | 3 Apr 1992 | British | 95 years |
| John Eric Daniels | Director | 1 Nov 2001 | 28 Feb 2011 | American/british | 74 years |
| John Gildersleeve | Director | 1 Sept 1994 | 15 Apr 1997 | British | 81 years |
| John Hannah Forbes Macpherson | Director | 13 Apr 1989 | 22 Mar 1994 | British | 99 years |
| John Kenneth Elbourne | Director | 9 Sept 1992 | 28 Dec 1995 | British | 81 years |
| John Michael Raisman | Director | 28 Dec 1995 | 15 Apr 1998 | British | 96 years |
| John Newton Bays | Director | 28 Dec 1995 | 15 Apr 1997 | British | 83 years |
| John Robin Ibbs | Director | 28 Dec 1995 | 7 Feb 1997 | British | 99 years |
| John Roundell Selborne | Director | 28 Dec 1995 | 21 May 2004 | British | 85 years |
| John Stanley Rainey | Director | 13 Apr 1989 | 1 Apr 1990 | British | 102 years |
| John Thomas Davies | Director | 28 Dec 1995 | 31 Jul 1998 | British | 92 years |
| Jonathan Scott Wheway | Director | 1 Aug 2022 | 31 Oct 2025 | British | 59 years |
| Juan Colombás Calafat | Director | 29 Nov 2013 | 18 Sept 2020 | Spanish | 63 years |
| Julian Michael Horn-smith | Director | 1 Jan 2005 | 17 May 2012 | British | 77 years |
| Kenneth Andrews Millichap | Director | 13 Apr 1989 | 1 May 1989 | British | 102 years |
| Lawrence Edward Linaker | Director | 27 May 1994 | 18 Apr 2001 | British | 91 years |
| Lawrence Mcallister Urquhart | Director | 3 Mar 2000 | 17 Apr 2002 | British | 90 years |
| Leslie William Priestley | Director | 13 Apr 1989 | 12 Apr 1990 | British | 92 years |
| Lord (james Roger Crompton) Lupton | Director | 1 Jun 2017 | 16 May 2024 | British | 70 years |
| Lord (norman Roy) Blackwell | Director | 1 Jun 2012 | 1 Jan 2021 | British | 73 years |
| Luke Henry Walter March | Secretary | 21 Mar 1994 | 28 Dec 1995 | British | - |
| Lyndon Bolton | Director | 13 Apr 1989 | 23 Mar 1995 | British | 88 years |
| Maarten Albert Van Den Bergh | Director | 1 Oct 2000 | 11 May 2006 | Dutch | 83 years |
| Malcolm James Wood | Secretary | 3 Nov 2014 | 30 Jun 2019 | - | - |
| Marc-john Boston | Secretary | 1 Jan 2014 | 2 Nov 2014 | - | - |
| Margaret Ann Coltman | Secretary | 9 May 2008 | 16 Jan 2009 | British | - |
| Mark George Culmer | Director | 16 May 2012 | 1 Aug 2019 | British | 63 years |
| Marshall Hayward Field | Director | 1 May 1990 | 28 Dec 1995 | British | 95 years |
| Martin Anthony Scicluna | Director | 1 Sept 2008 | 31 Mar 2013 | British | 75 years |
| Maurice Victor Blank | Director | 1 Mar 2006 | 15 Sept 2009 | British | 83 years |
| Michael Chalcraft | Director | 13 Apr 1989 | 1 May 1989 | British | 90 years |
| Michael David Ross | Director | 3 Mar 2000 | 30 Sept 2003 | British | 79 years |
| Michael Edward Fairey | Director | 20 Dec 1993 | 28 Dec 1995 | British | 77 years |
| Michael Edward Fairey | Director | 1 Jan 1997 | 30 Jun 2008 | British | 77 years |
| Michael Edward Quinlan | Director | 28 Dec 1995 | 15 Apr 1998 | British | 95 years |
| Michael Kent Atkinson | Director | 1 Jan 1997 | 16 Apr 2003 | English,brazilian | 80 years |
| Neville Rogerson Barkes | Director | 13 Apr 1989 | 1 May 1989 | British | 101 years |
| Nicholas Edward Tucker Prettejohn | Director | 23 Jun 2014 | 30 Sept 2021 | British | 65 years |
| Nicholas Lawrence Luff | Director | 5 Mar 2013 | 10 May 2017 | British | 58 years |
| Nicholas Proctor Goodison | Director | 13 Apr 1989 | 11 Apr 2000 | British | 91 years |
| Nigel Robson | Director | 13 Apr 1989 | 25 Feb 1993 | British | 99 years |
| Paul Henry William Studholme | Director | 13 Apr 1989 | 1 May 1989 | British | 95 years |
| Peter Andrew Harwood | Director | 2 Apr 1991 | 28 Dec 1995 | British | 78 years |
| Peter Charles Nicholson | Director | 28 Dec 1995 | 11 Apr 2000 | British | 91 years |
| Peter Craig Paisley | Director | 13 Apr 1989 | 1 May 1989 | British | 95 years |
| Peter Ellwood | Director | 1 May 1990 | 31 May 2003 | British | 82 years |
| Peter George Edwin Ayliffe | Director | 1 Jun 2003 | 31 Jan 2005 | British | 72 years |
| Peter William Stuart Rowland | Secretary | 13 Apr 1989 | 11 Apr 1994 | British | - |
| Philip Charlton | Director | 13 Apr 1989 | 31 May 1991 | British | 95 years |
| Philip Guy Mccracken | Director | 26 Sept 1991 | 26 May 1994 | British | 77 years |
| Philip Nevill Green | Director | 10 May 2007 | 23 Oct 2009 | British | 72 years |
| Philip Roy Hampton | Director | 1 Jun 2002 | 12 Jan 2004 | British | 72 years |
| Reginald Robert Jeune | Director | 13 Apr 1989 | 28 Mar 1991 | British | 105 years |
| Richard Ernest Butler Lloyd | Director | 13 Apr 1989 | 1 May 1989 | British | 97 years |
| Richard Ernest Butler Lloyd | Director | 1 May 1990 | 26 Mar 1992 | British | 97 years |
| Richard Greenbury | Director | 28 Dec 1995 | 15 Apr 1997 | British | 89 years |
| Robert Anthony Clark | Director | 13 Apr 1989 | 28 Mar 1991 | British | 101 years |
| Robert Austin Connor | Secretary | 1 May 1993 | 9 May 1996 | British | - |
| Sara Vivienne Weller | Director | 1 Feb 2012 | 20 May 2021 | British | 64 years |
| Sheila Mary Forbes | Director | 1 Sept 1994 | 16 Apr 2003 | British | 79 years |
| Simon Michael Hornby | Director | 28 Dec 1995 | 14 Apr 1999 | British | 91 years |
| Simon Peter Henry | Director | 26 Jun 2014 | 30 Sept 2020 | British | 64 years |
| Stephen Andrew Maran | Director | 1 Jan 1997 | 31 Dec 1999 | British | 85 years |
| Stephen Craig Targett | Director | 10 Mar 2003 | 30 Apr 2004 | Australian | 70 years |
| Stuart William Sinclair | Director | 4 Jan 2016 | 12 May 2022 | British | 72 years |
| Teresa Arlene Dial | Director | 1 Jun 2005 | 18 Apr 2008 | American | 76 years |
| Thomas Fulton Wilson Mckillop | Director | 1 Jan 1999 | 31 Dec 2004 | British | 82 years |
| Thomas Timothy Ryan | Director | 1 Mar 2009 | 18 Apr 2013 | American | 80 years |
| Timothy James William Tookey | Director | 30 Oct 2008 | 24 Feb 2012 | British | 63 years |
| William Montgomery Carson | Director | 1 Apr 1990 | 18 Jul 1991 | British | 96 years |
| Winfried Franz Wilhelm Bischoff | Director | 15 Sept 2009 | 3 Apr 2014 | British | 84 years |
| Wolfgang Christian Georg Berndt | Director | 1 May 2003 | 6 May 2010 | Austrian | 83 years |