Koumakoye was born in
Bongor in southern Chad. From August 1975 to March 1979, he was Advisor for Administrative, Economic, and Financial Affairs at the Presidency of the Republic, and from January 1976 to June 1976 he was Director of the Technical Cabinet of the President of the Republic. He subsequently served in the government as Minister of Justice from June 1981 to May 1982 and became President of the Democratic and Popular National Rally (RNDP) on February 4, 1982. later, however, Koumakoye became Minister of Public Works, Housing, and Urban Planning under Habré's presidency in August 1987. At the Sovereign National Conference in early 1993, he was a candidate to head the presidium but was defeated by
Adoum Helbongo in a vote by delegates.
Fidèle Moungar was chosen as transitional Prime Minister at the National Conference and Koumakoye became a member of his government, serving as Minister of Communications and Government Spokesman from April 1993 to June 1993 and as Minister of Justice from June 1993 to November 1993. After being elected, Koumakoye announced plans to reduce the size of the army by almost half; in late March 1995. In the
presidential election, held in June 1996, he was nevertheless a candidate and received 2.29% of the vote, placing ninth. He ran again in the
May 2001 presidential election, taking 2.36% of the vote and sixth place. Koumakoye's primary support base is in
Tandjilé in the south. In the
2002 parliamentary election, Koumakoye was elected to the
National Assembly of Chad as an VIVA-RNDP candidate from
Kélo constituency in
Tandjilé Ouest Department. this was, however, a significant improvement over the 8% of the vote credited to him in the provisional results. On August 15, 2006, Koumakoye was appointed to the government as Minister of State for Regional Planning, Town Planning, and Housing, serving in that position until he was appointed as prime minister for the second time on February 26, 2007, a few days after the death of
Pascal Yoadimnadji.
Youssouf Abbas Saleh was appointed to replace Koumakoye as prime minister. and Koumakoye became the Council's President. ==References==