Doumbouya names Diakité head of Nimba Mining Company
Djiba Diakité appointed chairman of Nimba Mining Company for three years, renewable.
President Mamadi Doumbouya has expanded the authority of Djiba Diakité, the current head of the Simandou strategic committee. Diakité was named chairman of Nimba Mining Company (NMC) for a three-year term, renewable, in a decree read on national television on October 23, 2026.
Nimba Mining Company is a new public entity created after the termination of the Guinea Alumina Corporation agreement, focusing on bauxite processing. Diakité, who also serves as minister director of the Presidency's cabinet, is recognized for his role in the Simandou mining megaproject. His appointment to NMC was proposed by the Ministry of Mines and Geology.
Diakité's new role is for a renewable three-year mandate. He is known as a key figure in realizing the Simandou mining project.
Why it mattersDjiba Diakité's expanded role in Nimba Mining Company affects Guinea's bauxite processing sector.