 | 1. Phya Mahaisawan | 1968 – 1971 |
 | 2. Mr. Bancherd Cholvichan | 1972 – 1975 |
 | 3. H.E. Mr. Sommai Hoontrakool | 1976 – 1993 |
 | 4. H.E. Mr. Arsa Sarasin | 1994 – 1996 |
 | 5. Thanpuying Niramol Suriyasat | 1996 – 2000 |
 | 6. Mr. Staporn Kavitanon | 2001 – 2007 |
 | 7. Mrs. Kobkarn Wattanavrangkul | 2008 - 2014 |
 | 8. Mr. Kalin Sarasin | 2014 - 2018 |
