Sadi Koçaş

Sadi Koçaş (1919–1998) was a Turkish military officer and politician. He was among the military figures who planned a military coup against the rule of the Democrat Party on 27 May 1960. Retired from the army in 1961 he became a member of the Republican People's Party. He briefly served as the deputy prime minister in the cabinet led by Nihat Erim immediately after another military coup in 1971.

Early life and education He was born in Karaman, Ottoman Empire, in 1919. He graduated from the Turkish Military Academy as an artillery officer in 1940.

Career and activities Following his graduation Koçaş worked in the Turkish Army and in the Ministry of Defense. During this period Koçaş was a major. In February 1959 he managed to get support from Cemal Gürsel, commander of land forces, to implement the planned coup. He served at the Senate until his resignation in 1969. Koçaş's ministerial portfolio included political and administrative affairs. Koçaş and eleven other cabinet members resigned from their posts on 3 December 1971.

Work Koçaş is the author of several non-fiction books. Two of his books were his memoirs which were published in 1977 and 1978. In these books Koçaş reports the existence of an extremely secret service within the state apparatus which was allegedly led by Fuat Doğu, the undersecretary of Turkish National Intelligence Agency.