Prof. Emeritus Toemsakdi Krishnamra
Chulalongkorn University
1981-1982

Assoc. Prof. Pranee Thanachanun
Srinakharinwirot University
1982-1983

Prof. Emerita Dr. Atchara Wongsothon
Chulalongkorn University
1983-1984

Asst. Prof. Dr. Peansiri Ekniyom
Chulalongkorn University
1984-1985

Assoc. Prof. Dr. Samang Hiranburana
Srinakharinwirot University
1985-1986

Prof. Emerita Dr. Kanchana Prapphal
Chulalongkorn University
1986-1987

Assoc. Prof. Sripoom Akkramas
Srinakharinwirot University
1987-1988

Assoc. Prof. Dr. Somtawil Dhanasobhon
Kasetsart University
1988-1989

Asst. Prof. Suchaya Phalavadhana
Srinakharinwirot University
1989-1990

Prof. Emerita Surai Pongthongcharoen
Srinakharinwirot University
1990-1992

Assoc. Prof. Sonthida Keyuravong
Chiang Mai University
1992-1993

Assoc. Prof. Dr. Kanittha Navarat
Mahidol University
1993-1995

Asst. Prof. Prapha Wittayarungruangsri
Mahidol University
1995-1996

Assoc. Prof. Dr. Suntana Sutadarat
Ramkhamhaeng University
1996-1998

Assoc. Prof. Naraporn Chan-ocha
Chulalongkorn University
1998-2000

Assoc. Prof. Suchada Nimmannit
Chulalongkorn University
2000-2003

Assoc. Prof. Chaleosri Pibulchol
Srinakharinwirot University
2003-2005

Dr. Maneepen Apibalsri
Suranaree University of Technology
2005-2007

Asst. Prof. Dr. Akara Akaranithi
Chulalongkorn University
2007-2009

Asst. Prof. Dr. Ubon Sanpatchayapong
Mahidol University
2009-2011

Assoc. Prof. Nopporn Sarobol
Thammasat University
2011-2013

Assoc. Prof. Unchalee Sermsongswad
Chiang Mai University
2013-2015

Assoc. Prof. Dr. Pragasit Sitthitikul
Thammasat University
2015-2017

Dr. Paneeta Nnitayaphorn
Thai Airways International
2017-2019

Assoc. Prof. Dr. Supong tangkiengsirisin
Thammasat University
2019-2021

Assoc. Prof. Dr. Singhanat Nomnian
Mahidol University
2021-2023

Dr. Thanakorn Thongprayoon
Srinakharinwirot University
2023-2025

Asst. Prof. Dr. Monthon Kanokpermpoon
Thammasat University
2025-present