Mamoudou Nagnalen Barry is a Guinean economist, public policy expert, activist and politician whose career spans international finance, development, government and strategic infrastructure. Originally from Kankan, he graduated top of his class in economics and finance at the Université Générale Lansana Conté, later pursuing postgraduate studies at Williams College in the United States and advanced qualifications in financial strategy, law and business administration. His professional career included roles with the Central Bank of Guinea, IFC, UNDP and the World Bank. He served as Minister of Agriculture and Livestock from 2021 to 2024. A former technical adviser to the FNDC, he was appointed Chairman of the Board of the Compagnie du TransGuinéen (CTG) in April 2025, placing him at the heart of Guinea’s strategic Simandou project and its rail and logistics infrastructure.