Oil And Gas Buhari Appoints Thomas John As Alternate Chairman NNPC Board OrientEnergyReview Jun 26, 2019 0 Chibisi Ohakah, Abuja President Muhammadu Buhari has appointed Dr. Thomas Maurice Asuquo John as acting alternate chairman of the Nigerian National Petroleum Corporation governing board. Dr. John, a former group managing!-->!-->!-->!-->!-->…