Chairmen
- Aman Mikael Andom (September 12, 1974 – November 17, 1974)
- Mengistu Haile Mariam (November 17, 1974 – November 28, 1974) (1st term)
- Tafari Benti (November 28, 1974 – February 3, 1977)
- Mengistu Haile Mariam (February 3, 1977 – September 10, 1987) (2nd term, acting to February 11, 1977)
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