| Alan Robert Robertson | Director | 19 Jun 2012 | 31 Dec 2023 | British | 64 years |
| Alison Taylor West | Secretary | 19 Jun 2012 | 31 Jul 2014 | British | - |
| Anthony Richard Towse | Director | 26 Jan 2017 | 4 Nov 2021 | British | 58 years |
| Christian Veraart | Director | 21 Sept 2010 | 19 Jun 2012 | Dutch | 56 years |
| Christopher Sims | Secretary | 9 May 1991 | 31 Jan 1992 | British | - |
| Cornelius Antonius Winde | Director | 1 Oct 1995 | 22 Apr 1998 | Dutch | 86 years |
| Eric David Arthur Smy | Director | 9 May 1991 | 15 Feb 1991 | British | 105 years |
| Freek Noorman | Director | 24 Jul 1998 | 27 Apr 2006 | Dutch | 80 years |
| Freek Noorman | Secretary | 15 Dec 2000 | 12 Mar 2001 | Dutch | - |
| Gareth Kimball Pollit | Director | 19 Jul 1994 | 15 Aug 1997 | British | 73 years |
| Geoffrey Edgar Shiers | Director | 9 May 1991 | 18 Aug 1993 | British | 85 years |
| Gerrit Meijer | Director | 9 May 1991 | 1 Oct 1995 | Dutch | 93 years |
| Jacobus Jozeflidwina Maria De Moel | Director | 25 Mar 2002 | 1 Dec 2011 | Dutch | 68 years |
| Jacobus Samuel Wattel | Director | 27 Apr 2006 | 21 Sept 2010 | Dutch | 60 years |
| Jan Gerard Brat | Director | 4 Aug 1997 | 5 May 1998 | Dutch | 89 years |
| Jan Gerard Brat | Secretary | 19 Sept 1997 | 5 May 1998 | Dutch | - |
| Joachim Martinus Winkelman | Secretary | 21 Sept 2010 | 1 Jun 2011 | - | - |
| Johan Bernhard Heijnen | Director | 18 Aug 1993 | 3 Jun 2004 | Dutch | 83 years |
| Johannes Algias Ringers | Director | 9 May 1991 | 3 Jun 2004 | Dutch | 81 years |
| Johannes Algias Ringers | Secretary | 12 Mar 2001 | 3 Jun 2004 | Dutch | - |
| Johannes Cornelus Van Duijn | Secretary | 1 Jun 2011 | 19 Jun 2012 | - | - |
| Johannes Cornelus Van Duijn | Secretary | 3 Jun 2004 | 21 Sept 2010 | Dutch | - |
| Jonathon Michael Humphries | Director | 19 Jun 2012 | 26 Jan 2017 | British | 59 years |
| Leendert Robbertus Paulus Van Vliet | Director | 3 Jun 2004 | 19 Jun 2012 | Dutch | 67 years |
| Lynsey Taylor | Director | 2 Jul 2018 | 1 Feb 2021 | British | 51 years |
| Mark Raymond Warrell | Secretary | 31 Jan 1992 | 19 Sept 1997 | British | - |
| Naomi Anne Connell | Director | 19 Jun 2012 | 16 Jul 2023 | British | 61 years |
| Nicola Jayne O’keeffe | Director | 21 Nov 2022 | 8 Nov 2024 | British | 55 years |
| Nigel Roberson | Secretary | 5 May 1998 | 15 Dec 2000 | British | - |
| Robert Damian Coupe | Director | 26 Jan 2017 | 1 Feb 2021 | British | 61 years |
| Ronald Wilhelmus Petrus Oudeman | Director | 1 Dec 2011 | 19 Jun 2012 | Dutch | 62 years |