Nigeria's president appoints new head of state oil firm
LONDON (Reuters) - Nigeria's President Muhammadu Buhari appointed Emmanuel Ibe Kachikwu as the new group managing director of state oil firm Nigerian National Petroleum Corporation (NNPC) on Tuesday, a statement from the presidency said. The new head was the executive vice chairman and general counsel of Exxon-Mobil (Africa) and is taking over from Joseph Thlama Dawha.