| Albert Johan Van Der Steenstraten | Director | 16 Jan 2006 | 4 Nov 2007 | Dutch | 67 years |
| Alison Jane Patricia Goligher | Director | 1 Nov 2008 | 9 Sept 2009 | British | 61 years |
| Andrew Berkeley Vaughan | Director | 4 Nov 2007 | 1 Nov 2008 | British | 70 years |
| Andrew William Wood | Director | 14 Sept 1993 | 3 Nov 1995 | British | 73 years |
| Andrew William Wood | Director | 14 Oct 2003 | 9 Sept 2009 | British | 73 years |
| Anthony Charles Philip Allwright | Director | 2 May 1996 | 21 Jul 1999 | British | 82 years |
| Antonio Arruda Ferrer Correia | Director | 21 Sept 1993 | 21 Jan 1999 | Portuguese | 114 years |
| Antonio Costa E Silva | Director | 17 Jul 1996 | 1 Apr 1998 | Portuguese | 74 years |
| Antonio Gil Baptista De Sousa | Director | 25 Sept 1992 | 19 Jul 1996 | Portugeuse | 84 years |
| Antonio Jose Costa Silva | Director | 14 Oct 2003 | 4 Mar 2021 | Portuguese | 74 years |
| Arien Ritskes | Director | 30 Sept 2019 | 14 Mar 2022 | Dutch | 46 years |
| Arnaud Francis Pierre Philippe Breuillac | Director | 1 Jul 2010 | 21 Jan 2014 | French | 68 years |
| Bernard Maurice Armand Clement | Director | 18 Jul 2005 | 31 Dec 2009 | French | 68 years |
| Bertrand Huillard | Director | 14 Sept 2009 | 1 Oct 2013 | French | 74 years |
| Brian James Ward | Director | 1 Nov 1994 | 21 Jul 1999 | British | 80 years |
| Catherine Grasset | Director | 24 Jan 2014 | 2 Sept 2016 | French | 69 years |
| Charles Hugh Easton Watson | Director | 7 Oct 1997 | 20 Jan 2000 | British | 72 years |
| Christopher Gabriel Jean-marie Jacquin De Margerie | Director | 25 Sept 1992 | 8 Mar 2000 | French | 75 years |
| Christopher Mark Breeze | Director | 14 Jan 2014 | 30 Sept 2019 | British | 63 years |
| Cornelis Christiaan Uijlenhoed | Director | 4 Nov 2007 | 9 Sept 2009 | Dutch | 68 years |
| Dan Antheunis | Director | 14 May 2003 | 5 Oct 2004 | Netherlands | 80 years |
| David Graham Turner | Director | 25 Sept 1992 | 14 Dec 1992 | British | 82 years |
| De La Rey Venter | Director | 14 Dec 2012 | 17 Feb 2016 | South African | 57 years |
| Delaram Hormozastarabady | Director | 1 Sept 2023 | 19 Sept 2024 | Swedish | 40 years |
| Devin Michael Garrity | Director | 9 Sept 2009 | 1 May 2014 | United States | 68 years |
| Dirk Anne Benschop | Director | 14 Jun 2017 | 19 Apr 2018 | Dutch | 69 years |
| Eduardo Marcal Grilo | Director | 5 Aug 2002 | 4 Nov 2014 | Portuguese | 84 years |
| Elaine Leith | Director | 12 Jun 2014 | 15 Sept 2017 | British | 64 years |
| Elias Kassis | Director | 2 Sept 2016 | 2 Apr 2020 | French | 61 years |
| Emilio Rui Vilar | Director | 21 Jan 1999 | 4 Nov 2014 | Portuguese | 87 years |
| Engelhardt Marinus Robbe | Director | 24 Jan 1996 | 17 Jan 2000 | Netherlands | 71 years |
| Eric Phulpin | Director | 8 Mar 2000 | 14 Oct 2003 | French | 74 years |
| Erik Nijdam | Director | 5 Oct 2004 | 1 Mar 2010 | Dutch | 70 years |
| Fakher Abdurrahim Bader | Director | 28 Oct 2021 | 31 Aug 2024 | American | 47 years |
| Fatma Masoud Al-kharusi | Director | 3 Nov 1995 | 5 Oct 2004 | Omani | 76 years |
| Fatma Masoud Al-kharusi | Secretary | 3 Nov 1995 | 5 Oct 2004 | Omani | - |
| Ferdinand Anton Berger | Director | 25 Sept 1992 | 13 Feb 1996 | Dutch | 88 years |
| Fernando Barata Alves | Director | 14 Apr 2004 | 1 Jan 2023 | Portuguese | 69 years |
| Francois Tribot Laspiere | Director | 1 Sept 2001 | 12 Oct 2005 | French | 72 years |
| Frank Hendrikus Lemmink | Director | 31 Dec 2014 | 18 Dec 2017 | Dutch | 58 years |
| Frederic Linsig | Director | 1 Sept 2007 | 1 Aug 2012 | French | 63 years |
| Gerhardhus Johannes Maria Schotman | Director | 1 Sept 2018 | 27 Mar 2020 | Dutch | 65 years |
| Henricus Josephus Maria Roels | Director | 13 Feb 1996 | 1 Jul 1998 | Netherlands | 78 years |
| Henrik August Merle | Director | 25 Sept 1992 | 1 Nov 1994 | Netherlands | 90 years |
| Herve Dewaele | Director | 2 Dec 2004 | 31 Aug 2007 | French | 69 years |
| Intisaar Hamood Issa Al Kindy | Director | 17 Jun 2019 | 8 Mar 2021 | Omani | 63 years |
| Isabelle Sejourne | Director | 1 Sept 2023 | 1 Feb 2024 | French | 58 years |
| Jacobus Cornelis Ruitenbeek | Director | 21 Jul 1999 | 10 Sept 2002 | Dutch | 71 years |
| James Matheson Smith | Director | 14 Dec 1992 | 12 Mar 1998 | British | 75 years |
| Jean Claude Farina | Director | 12 Oct 2005 | 14 Sept 2009 | French | 72 years |
| Jean Duval | Director | 25 Sept 1992 | 24 Jan 1996 | French | 81 years |
| Jean-luc Porcheron | Director | 4 Oct 2000 | 18 Jul 2005 | French | 72 years |
| Jennifer Debrauwer | Director | 1 May 2018 | 30 Sept 2019 | Dutch | 50 years |
| Jeroen Huijsmans | Director | 7 Jun 2020 | 25 Oct 2021 | Dutch | 65 years |
| Jeroen Martien Peters | Director | 21 Jul 1999 | 14 May 2003 | Netherlands | 68 years |
| Jerome Bourceret | Director | 1 Sept 1998 | 1 Sept 2001 | French | 69 years |
| John Allton Colligan | Director | 13 Jun 1994 | 13 Feb 1996 | British | 84 years |
| John Andrew Blascos | Director | 9 Sept 2009 | 14 Jan 2014 | British | 67 years |
| John Mclaren Malcolm | Director | 1 Nov 2002 | 4 Nov 2007 | British | 76 years |
| John Michael Crocker | Director | 20 Jan 2000 | 14 Sept 2003 | British | 63 years |
| Jonathan Richard Osborne | Director | 9 Sept 2009 | 31 Dec 2014 | British | 55 years |
| Jose De Azeredo Perdigao | Director | 25 Sept 1992 | 10 Sept 1993 | Portuguese | 30 years |
| Julian Paul Hicks | Director | 4 Nov 2007 | 1 Jan 2013 | British | 61 years |
| Julian Paul Hicks | Secretary | 4 Nov 2007 | 1 Jan 2013 | British | - |
| Julien Pouget | Director | 1 Sept 2023 | 19 Sept 2024 | French | 50 years |
| Karim Chaouche | Director | 2 Sept 2016 | 2 Apr 2020 | French | 58 years |
| Komson Tachapanich | Director | 8 Mar 2021 | 1 Oct 2023 | Thai | 61 years |
| Ladislas Paszkiewicz | Director | 14 Feb 2007 | 30 Jun 2010 | French | 64 years |
| Laurent Vivier | Director | 1 Jun 2021 | 1 Sept 2023 | French | 56 years |
| Luis Antonio Gomes Moreno | Director | 7 Oct 1998 | 14 Apr 2004 | Portuguese | 89 years |
| Lynda Anne Armstrong | Director | 10 Sept 2002 | 5 Oct 2004 | British | 76 years |
| Maarten Nicolaas Arie Wink | Director | 1 Oct 1992 | 2 May 1996 | Dutch | 79 years |
| Maarten Wetselaar | Director | 14 Oct 2003 | 16 Jan 2006 | Dutch | 58 years |
| Malcolm Arthur Brinded | Director | 1 Oct 1992 | 14 Sept 1993 | British | 73 years |
| Mark Milford Power Carne | Director | 8 Sept 2010 | 1 Jan 2013 | British | 67 years |
| Massimo De Mauro | Director | 1 Aug 2012 | 21 Jan 2014 | Italian | 68 years |
| Mattias Bichsel | Director | 3 Nov 1995 | 21 Jul 1999 | Swiss | 72 years |
| Micael Gulbenkian | Director | 25 Sept 1992 | 7 Oct 1998 | Portuguese | 73 years |
| Michel Virotte-ducharme | Director | 19 Jul 1996 | 31 Jul 2003 | French | 84 years |
| Mohammed Khalid Sardar | Director | 11 Sept 2017 | 25 Oct 2021 | British | 61 years |
| Mohammed Zaki | Director | 1 Oct 2013 | 15 Dec 2017 | French | 73 years |
| Murat Kamil Vanlioglu | Secretary | 1 Jan 2019 | 31 May 2022 | - | - |
| Murray Ralph Done | Secretary | 14 Dec 2012 | 14 Jun 2017 | - | - |
| Murray Ralph Done | Director | 14 Dec 2012 | 14 Jun 2017 | British | 52 years |
| Neil Lewis Watts | Director | 13 Feb 1996 | 7 Oct 1997 | British | 73 years |
| Nicholas Peter Pettenati | Director | 25 Sept 1992 | 1 Nov 1995 | British | 83 years |
| Nicholas Peter Pettenati | Secretary | 25 Sept 1992 | 1 Nov 1995 | British | - |
| Patrick De Genevraye | Director | 24 Jan 1996 | 4 Oct 2000 | French | 84 years |
| Patrick Francois Louis Rambaud | Director | 8 Mar 2000 | 4 Mar 2002 | French | 73 years |
| Paul Mann | Director | 26 Feb 2002 | 14 Oct 2003 | British | 72 years |
| Peter Alfred Mendham | Director | 26 Apr 1995 | 19 Jul 1996 | British | 102 years |
| Philippe Boisseau | Director | 4 Mar 2002 | 14 Feb 2007 | French | 64 years |
| Philippe Roy | Director | 24 Jan 1996 | 1 Sept 1998 | French | 76 years |
| Philippe Vallaud | Director | 4 Jul 1996 | 8 Mar 2000 | Frenchh | 75 years |
| Pierre Olinger | Director | 14 Oct 2003 | 2 Dec 2004 | Luxembourg | 68 years |
| Pieter Adriaan Cornelis De Ruiter | Director | 25 Sept 1992 | 1 Oct 1992 | Netherlands | 87 years |
| Ralph Marie Joseph Jeanette Wetzels | Director | 28 Oct 2021 | 1 Mar 2023 | Dutch | 54 years |
| Raoul Mario Restucci | Director | 15 May 2005 | 8 Sept 2010 | British | 69 years |
| Reinier Nijmeijer | Director | 5 Oct 2004 | 4 Nov 2007 | Dutch | 70 years |
| Reinier Nijmeijer | Secretary | 5 Oct 2004 | 4 Nov 2007 | Dutch | - |
| Robert Monroe Sprague | Director | 25 Sept 1992 | 13 Jun 1994 | American | 81 years |
| Roger Howard Patey | Director | 25 Sept 1992 | 13 Feb 1996 | British | 82 years |
| Ron Van Den Berg | Director | 1 Nov 2003 | 15 May 2005 | Dutch | 80 years |
| Ronan Huitric | Director | 30 Sept 2019 | 16 Jan 2022 | French | 65 years |
| Sami Monir Amin Iskander | Director | 17 Feb 2016 | 31 Mar 2019 | French | 61 years |
| Sara Mohamed Redha Hassan Al Abdawani | Secretary | 31 May 2022 | 12 Jul 2025 | - | - |
| Stephane Michel | Director | 21 Jan 2014 | 1 Jun 2021 | French | 53 years |
| Stephen Alexander Kersley | Director | 17 Jan 2000 | 14 Oct 2003 | British | 67 years |
| Steven James Ollerearnshaw | Director | 21 Jul 1999 | 1 Nov 2002 | British | 77 years |
| Steven Robert Phimister | Director | 8 Mar 2021 | 1 Jun 2021 | British | 57 years |
| Timo Tjan | Director | 1 May 2018 | 31 Aug 2018 | Dutch | 59 years |
| Timo Tjan | Director | 30 Sept 2019 | 8 Mar 2021 | Dutch | 59 years |
| Walid Abdul Hady Hamad | Director | 18 Dec 2017 | 1 Oct 2024 | Dutch | 47 years |
| Willem Van Der Lande | Secretary | 20 Jun 2017 | 1 Jan 2019 | - | - |
| William Reginald Norman Flower | Director | 25 Sept 1992 | 26 Apr 1995 | British | 97 years |
| Xavier Preel | Director | 1 Jan 2010 | 31 Oct 2010 | French | 70 years |
| Yves Jean Henri Le Bail | Director | 15 Dec 2017 | 30 Sept 2019 | French | 69 years |
| Zoe Yujnovich | Director | 27 Mar 2020 | 4 Mar 2021 | Australian,british | 51 years |