Serigne Dioum: Powering a $500 Billion Fintech Engine at the Heart of Africa’s Digital Economy Muhereza KyamuteteraBusiness & MarketsTechnology & InnovationThe Big StoryMarch 18, 2026March 18, 2026 Writing on his LinkedIn page on 17th March, Serigne Dioum, the Group CEO, MTN Group Fintech, reflected on MTN’s FY2025 performance, where the numbers told a story few platforms on…