| Adam Erskine | Secretary | 8 Sept 1993 | 31 Oct 1994 | British | - |
| Adrian Charles Noel Kemp | Director | 22 May 2009 | 1 May 2025 | British | 60 years |
| Alan Ind Harvey Pink | Director | 1 Oct 1995 | 31 May 1999 | British | 88 years |
| Alexander Hill Frederick | Director | 1 Nov 1993 | 30 Jun 1997 | British | 82 years |
| Alexandra Louise Lynch | Secretary | 23 Mar 2007 | 31 Dec 2016 | British | - |
| Andrew Webster | Director | 23 Nov 2007 | 21 Jun 2013 | British | 66 years |
| Angus Charles Russell | Director | 1 May 1997 | 10 Dec 1999 | British | 70 years |
| Anthony Thomas George Rodgers | Director | 1 Nov 1993 | 1 Oct 1995 | British | 86 years |
| Beverley Gayle Salt | Director | 1 Apr 1995 | 30 Jun 2000 | British | 68 years |
| David Hyde | Director | 1 Jun 1999 | 31 Dec 2004 | British | 79 years |
| David Neil Eardley | Director | 27 Mar 2012 | 22 May 2015 | British | 56 years |
| David William Gregg Mcgregor | Director | 13 Dec 1999 | 28 Feb 2002 | British | 79 years |
| Edwin Gordon Jenner | Director | 1 Nov 1993 | 31 Aug 2002 | British | 79 years |
| Edwin Gordon Jenner | Director | 29 Jun 2007 | 8 Oct 2009 | British | 79 years |
| Elizabeth Mary Brooks | Director | 11 Dec 2015 | 11 Dec 2020 | British | 67 years |
| Frances Turner | Director | 1 Nov 1993 | 18 Feb 1994 | British | 86 years |
| Graeme Harold Rankine Musker | Director | 1 Nov 1993 | 22 May 2009 | British | 74 years |
| Graham Charles Higson | Director | 18 May 2009 | 5 Apr 2011 | British | 70 years |
| Hugh Montgomery Donaldson | Director | 8 Sept 1993 | 18 Nov 1994 | British | 85 years |
| Iain Alastair Mckendrick | Director | 21 Jun 2013 | 28 Jun 2018 | British | 64 years |
| Ian Martin David Brimicombe | Director | 1 Mar 2002 | 19 Jun 2009 | British | 63 years |
| Jan Eike Floettmann | Director | 11 Oct 2000 | 31 Dec 2016 | German | 58 years |
| Janet Mary Nangle | Director | 1 Nov 1994 | 30 Sept 1996 | British | 65 years |
| John David Gartside | Director | 1 Jan 2005 | 18 May 2009 | British | 76 years |
| John David Wright | Director | 1 Nov 1993 | 21 Apr 1999 | British | 86 years |
| John Hernaman Allen | Director | 1 Nov 1993 | 31 Oct 1994 | British | 88 years |
| John Williams | Director | 1 May 1994 | 30 Jun 2000 | British | 70 years |
| Judith Reece | Director | 5 Apr 2011 | 1 Jul 2016 | British Irish | 62 years |
| Juliette White | Director | 1 Jul 2016 | 31 Dec 2024 | British | 57 years |
| Kenneth Andrew Riley | Director | 17 Nov 1997 | 30 Jun 2000 | British | 77 years |
| Kevin Jones | Director | 11 Dec 2015 | 11 Dec 2020 | British | 63 years |
| Kevin O'leary | Director | 1 Dec 2004 | 18 Sept 2014 | British | 73 years |
| Margaret Mclean Fielding | Director | 11 Oct 2000 | 21 Nov 2005 | British | 73 years |
| Mary Marjorie Dick | Director | 1 Apr 1998 | 30 Jun 2004 | British | 77 years |
| Michael Parry | Director | 9 Oct 2009 | 12 Dec 2015 | British | 62 years |
| Michelle Mone Cin Lau | Secretary | 6 Mar 2018 | 25 Jan 2021 | - | - |
| Murray Brown Dickson | Director | 1 Nov 1996 | 30 Jun 2000 | Scottish | 79 years |
| Nicola Irene Quayle | Secretary | 12 Sept 2001 | 31 Jan 2005 | British | - |
| Norman Lyle | Director | 1 Nov 1993 | 30 Apr 1997 | British | 79 years |
| Peter Joseph Nicholls | Director | 1 Nov 1993 | 31 Mar 1998 | British | 83 years |
| Raymond John Martin | Director | 1 Nov 1993 | 31 May 1999 | British | 65 years |
| Rebekah Ellen Martin | Director | 7 Mar 2018 | 27 Mar 2024 | British | 47 years |
| Robert Andrew Hamer | Secretary | 1 Jan 2008 | 3 Nov 2008 | British | - |
| Robert Andrew Hamer | Secretary | 31 Dec 2016 | 23 Feb 2018 | - | - |
| Sandra Baran | Director | 1 Oct 2004 | 12 Dec 2015 | British | 70 years |
| Sarah Louise Groves | Secretary | 1 Feb 2005 | 22 Mar 2007 | British | - |
| Stephen William Spinks | Director | 1 Sept 2002 | 23 Nov 2007 | British | 68 years |
| Timothy Paul Seden | Director | 1 Nov 1993 | 31 Mar 1998 | British | 85 years |
| Tom Lars Klackenberg | Director | 1 Jun 1999 | 30 Jun 2000 | Swede | 69 years |
| Valerie Bowden | Director | 21 Nov 2005 | 26 Oct 2006 | British | 73 years |
| Vivien Joy Gill | Secretary | 1 Nov 1994 | 12 Sept 2001 | British | - |
| Wendy Eileen Attridge | Director | 1 Apr 1998 | 30 Sept 2004 | British | 79 years |
| William Mcilveen | Director | 17 Jun 2015 | 7 Mar 2018 | British | 61 years |