| Christoph Rene Manser | Director | 22 Aug 2014 | 28 Jan 2019 | Swiss | 55 years |
| Constantin Dogos-docovitch | Director | 22 Aug 2014 | 6 Feb 2020 | French | 46 years |
| David Cameron Wilson | Director | 1 Apr 2010 | 29 Jul 2013 | British | 62 years |
| Donald Todd Lehman | Director | 1 Apr 2010 | 30 Sept 2013 | American | 61 years |
| Donald Todd Lehman | Secretary | 1 Apr 2010 | 30 Sept 2013 | - | - |
| Emma Louise Collins | Director | 6 Jun 2005 | 1 Apr 2010 | British | 60 years |
| Faheem Zaka Sheikh | Director | 1 May 2023 | 29 Apr 2025 | British | 42 years |
| Ian Bratton | Director | 19 Apr 2004 | 8 Dec 2011 | British | 69 years |
| Javier Francisco Serrano Alonso | Director | 17 Mar 2017 | 26 Apr 2022 | Spanish | 48 years |
| John Patrick Elliott | Secretary | 28 Feb 2006 | 1 Apr 2010 | British | - |
| Julien Delphin Henri Chetrit | Director | 6 Feb 2020 | 6 Mar 2023 | French | 38 years |
| Laurence Jon Fumagalli | Director | 22 Aug 2014 | 17 Mar 2017 | British | 54 years |
| Nicola Barnes | Secretary | 6 Jun 2005 | 28 Feb 2006 | British | - |
| Peter James Mchale | Director | 22 Aug 2014 | 31 Jul 2015 | Irish | 56 years |
| Richard Mardon | Director | 6 Jun 2005 | 21 Sept 2011 | British | 62 years |
| Roger Paul Casement | Director | 29 Jul 2013 | 22 Aug 2014 | Irish | 63 years |
| Stephen Bernard Lilley | Director | 22 Aug 2014 | 1 May 2023 | British | 58 years |
| Steven Paul Hunter | Director | 30 Sept 2011 | 12 Sept 2013 | British | 55 years |
| Tihomir Mladenov | Secretary | 30 Sept 2013 | 22 Aug 2014 | - | - |
| Tihomir Mladenov | Director | 30 Sept 2013 | 22 Aug 2014 | Bulgarian | 50 years |
| Torben Louis Kjaergaard | Director | 19 Apr 2004 | 8 Dec 2011 | Danish | 67 years |
| Torben Louis Kjaergaard | Secretary | 19 Apr 2004 | 6 Jun 2005 | Danish | - |
