- 15 April 2015 Chalee Chantanayingyong (acting) 16 April 2015 - 30 April 2015 Rapee Sucharitakul 1 May 2015 - 30 April 2019 Ruenvadee Suwanmongkol 1 May 2019 - 30 April 2023 Thawatchai Pittayasophon
August 2011 Chalee Chantanayingyong (acting) 5 August 2011 - 3 October 2011 Vorapol Socatiyanurak 4 October 2011 - 15 April 2015 Chalee Chantanayingyong (acting) 16 April 2015 - 30 April 2015 Rapee
- 3 October 2011 Vorapol Socatiyanurak 4 October 2011 - 15 April 2015 Chalee Chantanayingyong (acting) 16 April 2015 - 30 April 2015 Rapee Sucharitakul 1 May 2015 - 30 April 2019 Ruenvadee