CEOS MAKING AN IMPACT: Ruth Zaipuna has transformed NMB Bank, Tanzania into a financial behemoth CEO ReporterBanking & Financial ServicesC-Suite LeadershipEast AfricaThought LeadershipNovember 2, 2023November 2, 2023 Behind Ruth Zaipuna’s calm demeanor lies a lady who is a fighter and strong willed strategist. Since becoming CEO of the NMB Bank in Tanzania in 2020, she has transformed…