LE BRIEF

Djiba Diakité: from the corridors of power to Simandou’s billions, the man seeking to reshape Guinea’s mining future

La rédaction de LE BRIEF • 2026-11-08

From international finance to Simandou and now the chairmanship of Nimba Mining, Djiba Diakité stands at the centre of Guinea’s industrial ambitions. A career facing the test of results, governance and local value creation.

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From the trading floors of Paris and London to the corridors of Guinea’s presidency, Djiba Diakité has built an unusual career at the intersection of international finance, economic diplomacy and major industrial projects. Minister and chief of staff to President Mamadi Doumbouya since October 2021, and chairman of the strategic monitoring committee for Simandou, he was appointed chairman of Nimba Mining Company’s board on 23 October 2026. Behind this rise is a discreet official who has become a central figure in Guinea’s mining strategy. It also raises a question: can Guinea finally turn its immense natural resources into genuine industrial strength? Portrait of Djiba Diakité supplied to the newsroom. Visible notice: all rights reserved. From Conakry to the financial centres: the making of a technocrat Before taking on responsibilities connected to Guinea’s major economic decisions, Djiba Diakité followed a path far removed from conventional political careers. Born in Conakry and originally from Upper Guinea, according to published biographical accounts, he pursued scientific and technical studies after secondary school, moving to France and subsequently into banking and financial markets. His experience in Paris and London, reported notably by Forbes Afrique, exposed him to risk analysis, financial technologies and investment structures. That experience is not a political p...