<P> NNPC was established on 1 April 1977 as a merger of the Nigerian National Oil Corporation and the Federal Ministry of Mines and Steel . NNPC by law manages the joint venture between the Nigerian federal government and a number of foreign multinational corporations, which include Royal Dutch Shell, Agip, ExxonMobil, Chevron, and Texaco (now merged with Chevron). Through collaboration with these companies, the Nigerian government conducts petroleum exploration and production . In 2007, the head of the Nigerian wing of Transparency International said salaries for NNPC workers were too low to prevent graft . </P> <P> The NNPC Towers in Abuja is the headquarters of NNPC . Consisting of four identical towers, the complex is located on Herbert Macaulay Way, Central Business District Abuja . NNPC also has zonal offices in Lagos, Kaduna, Port Harcourt and Warri . It has an international office located in London, United Kingdom . </P> <P> Dr. Maikanti Baru is the current Group managing director . He was appointed as the Nigerian National Petroleum Corporation Group chief executive officer on July 4th, 2016 under the presidency of Muhammadu Buhari; he succeeded Dr. Ibe Kachikwu, the current Nigerian Minister of State, Petroleum . </P> <P> The NNPC Group comprises the NNPC Board, the Group managing director's office, Seven operational units as listed below . Each of the Unit is headed by a chief operating officer (COO). Its Divisions are headed by Group General Managers (GGM) while its subsidiary companies are headed by Managing Directors . NNPC has several subsidiaries, two partly owned subsidiaries and 16 associated companies . </P>

Who is the current managing director of nnpc