Barkindo who was received by President Muhammadu Buhari on Monday, and later gave a speech at the ongoing Nigeria oil and gas conference (NOG) died at about 11pm on Tuesday night. Mallam Mele Kyari, group managing director of NNPC Ltd confirmed the death in a tweet on Wednesday morning. “We lost our esteemed Dr Muhammad […] read more Muhammad Sanusi Barkindo, the outgoing secretary general of OPEC, is dead.