President Muhammadu Buhari has appointed Dr Ibe Kachikwu as Group Managing Director of the Nigerian National Petroleum Corporation (NNPC).  Notice of the appointment is contained in a statement issued by the President’s Special Adviser on Media and Publicity, Mr Femi Adesina. The statement noted that Kachikwu, who was the Executive Vice Chairman and General Counsel of Exxon-Mobil (Africa), was to take over from Dr Joseph Dawha. Kachikwu …