| Alan Tapnack | Director | 19 Mar 1998 | 24 Feb 2011 | British | 78 years |
| Alexander Charles Wallace Snow | Director | 1 Mar 2013 | 6 Jun 2013 | British | 56 years |
| Alistair David Stuart | Director | 19 Nov 2019 | 23 Jul 2020 | British | 58 years |
| Allan Maurice James | Director | 8 Mar 1991 | 6 Jan 1997 | British | 76 years |
| Allen Zimbler | Director | 10 May 2012 | 31 Mar 2016 | British | 76 years |
| Anthony Colin Wakelin | Director | 8 Mar 1991 | 1 Oct 1999 | British | 88 years |
| Anthony Richard Paul Carden | Director | 8 Mar 1991 | 16 Nov 1992 | British | 87 years |
| Barry Kevin Archibald Kalkhoven | Director | 1 May 1996 | 31 Aug 1999 | South African | 73 years |
| Bastiaan Kardol | Director | 16 Nov 1992 | 19 Mar 2002 | Dutch | 98 years |
| Bernard Kantor | Director | 16 Nov 1992 | 30 Jan 2019 | Irish | 76 years |
| Bradley Fried | Director | 22 Jul 1999 | 24 Feb 2010 | British | 60 years |
| Brian David Stevenson | Director | 14 Sept 2016 | 1 Jul 2024 | British | 72 years |
| Christopher Guy Butt Meyer | Director | 19 Nov 2019 | 23 Jul 2020 | British | 54 years |
| David Friedland | Director | 1 Mar 2013 | 15 Sept 2020 | South African | 72 years |
| David John Prosser | Director | 7 Jul 2011 | 7 Aug 2014 | British | 81 years |
| David Martin James Hickey | Director | 23 Jun 1999 | 8 Dec 1999 | British | 70 years |
| David Michael Van Der Walt | Director | 5 Feb 2003 | 19 Nov 2019 | British | 61 years |
| David Roger William Potter | Director | 1 Feb 1999 | 30 Apr 1999 | British | 81 years |
| George Francis Onslow Alford | Director | 5 Apr 2000 | 7 Aug 2014 | British | 77 years |
| Haruko Fukuda Obe | Director | 3 Dec 2012 | 8 Aug 2019 | British | 79 years |
| Hugh Sidney Herman | Director | 22 Feb 1994 | 17 Nov 2011 | South African | 85 years |
| Ian Robert Kantor | Director | 16 Nov 1992 | 16 Jul 2013 | Dutch | 79 years |
| Ian Robert Wohlman | Director | 27 Jul 1992 | 9 Feb 1993 | British | 71 years |
| Ian Robert Wohlman | Director | 23 Jun 1999 | 19 Nov 2019 | British | 71 years |
| Ina Robert Wohlman | Director | 27 Jul 1992 | 9 Feb 1993 | British | 71 years |
| James Kieran Colum Whelan | Director | 14 Apr 2016 | 19 Nov 2019 | Irish | 62 years |
| John Champion | Director | 8 Mar 1991 | 16 Nov 1992 | British | 90 years |
| John Chippendale Lindley Keswick | Director | 1 Mar 2000 | 13 Aug 2010 | British | 85 years |
| John David Rhodes Margarson | Director | 27 Jul 1992 | 9 Feb 1993 | British | 76 years |
| John David Rhodes Margarson | Secretary | 25 Sept 1991 | 15 Jun 1993 | British | - |
| John Norman Abell | Director | 1 Sept 1993 | 26 May 2004 | British | 94 years |
| Jolyon David Larkman | Director | 8 Mar 1991 | 16 Dec 1992 | British | 78 years |
| Michael Anthony Jameson Till | Director | 19 Mar 1998 | 30 Jun 2004 | British | 81 years |
| Peregrine Kenneth Oughton Crosthwaite | Director | 23 Jun 1999 | 31 Mar 2004 | British | 76 years |
| Peregrine Kenneth Oughton Crosthwaite | Director | 10 Nov 2010 | 15 May 2018 | British | 76 years |
| Philippa Jane Littleton Brown | Secretary | 16 Jun 1993 | 23 Sept 1994 | British | - |
| Richard John Vardy | Secretary | 2 May 1996 | 2 May 2007 | British | - |
| Richard Paul Mark Aidan Forlee | Director | 5 Feb 2003 | 23 Jun 2004 | British | 65 years |
| Ryan James Eric Tholet | Director | 19 Nov 2019 | 23 Jul 2020 | South African | 49 years |
| Sheikh Mansurah Tal-at Mannings | Director | 27 Jul 2016 | 31 Jan 2023 | British | 62 years |
| Stephen Koseff | Director | 16 Nov 1992 | 30 Jan 2019 | South African, | 74 years |
| Steven John Heilbron | Director | 24 Feb 2010 | 8 Dec 2011 | South African | 60 years |
| Susan Christine Richings | Secretary | 16 Jun 1993 | 2 May 1996 | British | - |
| Zarina Bibi Mahomed Bassa | Director | 1 Apr 2017 | 8 Aug 2024 | South African | 61 years |