| Name | Position / Term |
| 1. Elmer A. Ordonez | Executive Director March 1965 - August 1966 |
| 2. Raul R. Ingles | Acting Executive Director September 1966 - June 1967 |
| 3. Rony V. Diaz | Officer-in-charge July 1967 - September 1967 |
| 4. Jaime C. Laya | Acting Executive Director October 1967 - April 1968 |
| 5. Dominador I. Ilio | Acting Executive Director May 1968 - June 1968 |
| 6. Elmer A. Ordonez | Executive Director July 1968 - December 1970 |
| 7. Pacifico N. Aprieto | Dir2ector January 1971 - June 1976 |
| 8. Edwin Varona | Director July 1976 - December 1977 |
| 9. Luis D. Beltran | Director January 1977 - December 1981 |
| 10. Benjamin V. Lozare | Director January 1982 - September 1986 |
| 11. Reynaldo V. Guiguio | Director September 1986 - March 1987 |
| 12. Renato L. Correa | Officer-in-charge May 1987 - August 1987 |
| 13. Vivencio Jose | Director September 1987 - July 1988 |
| 14. Sylvia M. Ventura | Director August 1988 - September 1994 |
| 15. Laura L. Samson | Director October 1994 - present |