| Anik Amranand | Director | 1 Jul 1999 | 30 Apr 2002 | Thailand | 70 years |
| Anuphan Bunnag | Director | 30 Aug 1996 | 31 Jul 1998 | Thai | 86 years |
| Asada Harinsuit | Director | 20 Sept 2012 | 31 Dec 2019 | Thai | 65 years |
| Asada Harinsuit | Director | 1 Jul 1999 | 21 Nov 2008 | Thai | 65 years |
| Ath Hemvijitraphan | Director | 20 Feb 2007 | 31 Dec 2018 | Thai | 68 years |
| Chanida Pincharoen | Director | 1 Jul 2013 | 24 Jul 2020 | Thai | 54 years |
| Chong Meng Tan | Director | 12 Sept 1996 | 15 Mar 2001 | Malaysian | 66 years |
| Choochai Eiamrungroj | Director | 1 Jul 2013 | 1 Feb 2016 | Thai | 72 years |
| Christopher Geoffrey Finlayson | Director | 6 Nov 1992 | 15 Jan 1993 | British | 70 years |
| Colin George Harvey | Director | 19 May 1995 | 5 Sept 1995 | British | 80 years |
| Diane June Penfold | Secretary | 6 Nov 1992 | 30 Sept 1994 | British | - |
| Dipa Raivadera | Secretary | 3 Oct 1994 | 26 Nov 1997 | British | - |
| Duncan John Macfarlane | Director | 12 Mar 1993 | 2 Jan 1996 | British | 86 years |
| Edgardo Reynato Veron Cruz | Director | 4 Jul 1995 | 16 Jan 1996 | Filipino | 84 years |
| Eliseo Bautista Santiago | Director | 1 Jul 1999 | 31 Jul 2001 | Filipino | 79 years |
| Erik Hakan Hven | Director | 12 Mar 1993 | 30 Apr 1995 | Swedish | 83 years |
| Gilbert Regulo Wawoe | Director | 6 Nov 1992 | 31 Dec 1994 | Dutch | 89 years |
| Giles Bernard Geoffrey Craven | Director | 6 Nov 1992 | 12 Mar 1993 | British | 75 years |
| Grant Mcgregor | Director | 1 Jul 2013 | 1 Jun 2017 | Australian | 61 years |
| Haw Kuang Lim | Director | 7 Sept 1995 | 16 Jan 1996 | Malaysian | 72 years |
| Howard John Shields | Director | 6 Nov 1992 | 6 Nov 1993 | British | 81 years |
| Ian Robertson | Director | 2 Apr 2002 | 1 Oct 2002 | British | 68 years |
| Ian Sidney Tittle | Director | 6 Nov 1992 | 19 Dec 1994 | British | 82 years |
| Ian Stewart Crawford | Director | 6 Nov 1992 | 28 Feb 1995 | British | 74 years |
| John Andrew Hamilton | Director | 1 Mar 1995 | 16 Jul 1997 | Australian | 70 years |
| John Barnard Drake | Director | 6 Nov 1992 | 8 Nov 1993 | British | 83 years |
| John Knox Withrington | Director | 12 Jun 1997 | 23 Jul 1999 | Irish | 82 years |
| Karl Michael O'callaghan | Director | 16 Jan 1996 | 9 Aug 1999 | Irish | 69 years |
| Kulwadee Phonghanyudh | Director | 7 May 2002 | 31 Jan 2008 | Thai | 76 years |
| Lane Everett Sloan | Director | 9 Dec 1993 | 16 Jul 1997 | American | 79 years |
| Leif Staale Soefting | Director | 16 Jan 1996 | 13 Sept 1996 | Norwegian | 72 years |
| Martha Frances Sexton Keeth | Director | 19 May 1995 | 16 Jan 1996 | American | 80 years |
| Matthew Blyth Haney | Director | 14 May 1998 | 15 Aug 2001 | Canadian | 72 years |
| Michael Seymour Warwick | Director | 17 Oct 1994 | 12 Jun 1997 | British | 80 years |
| Moira Isabel Bowie | Director | 16 Jan 1996 | 31 Jan 1997 | British | 74 years |
| Nat Khemakavat | Director | 30 Jun 2010 | 30 Jun 2013 | Thai | 66 years |
| Nicholas Antony Norman Stuart Robertson | Director | 6 Nov 1992 | 16 Jan 1996 | British | 76 years |
| Paisan Pongyart | Director | 30 Jun 2010 | 30 Jun 2013 | Thai | 57 years |
| Panot Triroj | Director | 3 Feb 2016 | 1 Aug 2016 | Thai | 61 years |
| Panun Prachuabmoh | Director | 3 Aug 2012 | 24 Jul 2020 | Thai | 63 years |
| Pipat Mahawattanangul | Director | 9 Sept 2002 | 30 Nov 2006 | Thai | 61 years |
| Pissawan Achanapornkul | Director | 31 Dec 2008 | 14 Dec 2012 | Thai | 58 years |
| Ponlerd Kositwongskul | Director | 11 Jul 2001 | 31 Oct 2005 | Thai | 78 years |
| Richard Kevan Gosper | Director | 6 Nov 1992 | 9 Dec 1993 | Australian | 93 years |
| Richard Leo Westley | Director | 17 Jul 1997 | 4 Jul 2001 | British | 76 years |
| Robert Harold Douglas | Director | 6 Nov 1992 | 22 May 1995 | British | 78 years |
| Roy Dennis Waight | Director | 15 Aug 2001 | 1 Apr 2002 | British | 73 years |
| Sakdi Kamchamnong | Director | 19 May 1995 | 20 Mar 1998 | Thai | 84 years |
| Sarisdiguna Kitiyakara | Director | 6 Nov 1992 | 16 Aug 1994 | Thai | 89 years |
| Shane Michael Mcnally | Director | 11 Mar 1993 | 4 Jul 1995 | Australian | 69 years |
| Simon Peter Henry | Director | 8 Oct 1996 | 28 Aug 2001 | British | 65 years |
| Siritas Prasert-manukitch | Director | 6 Nov 1992 | 1 Sept 1996 | Thai | 88 years |
| Sithichai Supa Amornkul | Director | 13 Sept 2001 | 31 Dec 2006 | Thai | 79 years |
| Somsak Saengnipa | Director | 21 Nov 2008 | 31 Mar 2010 | Thai | 76 years |
| Stuart Bruce James | Director | 8 Nov 1993 | 25 Jul 1995 | Australian | 78 years |
| Suranee Chiaracharuwat | Director | 19 Feb 2008 | 31 Jul 2012 | Thai | 66 years |
| Sutasnee Thabthim | Director | 8 Nov 2005 | 30 Jun 2013 | Thai | 62 years |
| Thamrong Tayanganon | Director | 12 Mar 1993 | 22 May 1995 | Thai | 83 years |
| Thanes Rajatapiti | Director | 30 Jun 2010 | 31 Dec 2010 | Thai | 54 years |
| Thanes Rajatapiti | Director | 1 Jul 2013 | 2 Jul 2019 | Thai | 54 years |
| Thaweeporn Tengprathip | Director | 30 Jun 2010 | 30 Jun 2013 | Thai | 60 years |
| Thaworn Charoenpiriya | Director | 4 Dec 2008 | 30 Sept 2011 | Thai | 70 years |
| Thepparit Vesurai | Director | 2 Apr 2007 | 30 Apr 2009 | Thai | 77 years |
| Thiti Mekavichai | Director | 2 Feb 2004 | 19 Feb 2008 | Thai | 65 years |
| Timothy Roger Bolderson | Director | 16 Jan 1996 | 8 Oct 1996 | British | 61 years |
| Tinakorn Ruenthip | Director | 11 Jul 2001 | 30 Jun 2003 | Thailand | 76 years |
| Tiraphot Vajrabhaya | Director | 13 Oct 2005 | 31 Dec 2008 | Thai | 73 years |
| Troy Chapman | Director | 1 Jul 2013 | 1 Jun 2016 | Us Citizen | 51 years |
| Tzu Yang Lee | Director | 13 Jun 1995 | 8 Mar 2000 | Singaporean | 72 years |