Prof. Okey Akpunonu was born on 24th July, 1960 at Isuofia in Aguata Local Government, Anambra State, Nigeria. He obtained First School leaving certificate from St John's Primary School Odoakpu, Onitsha in 1972. He attended Aguata High School, Aguata and obtained West African School Certificate with Division 1 in 1978. He gained admission in University of Nigeria Nsukka in 1980 and obtained B. Sc (Hons) Geology in 1984. He did NYSC in Department of Geophysics, University of Ife (now Obafemi Awolowo University) Ile Ife in 1985. He obtained M. Sc (Applied Geophysics) and Ph. D (Petroleum Geology) in 2002 and 2008 respectively at Nnamdi Azikiwe University, Awka, where he bagged an Award of Academic Excellence (with FCGP of 4.84) during the 2009 Convocation ceremony.
He served as a Project Manager in B. Alpha-Trans Geoservices (A Geological/ Geophysical Consultancy Firm) from 1986 - 1988 and as the Managing Director, Garnet Ventures (Nig) Limited from 1988- 1999, before he was employed as a Senior Technologist in the Department of Geological Sciences, Nnamdi Azikiwe University Awka in 1999. He was promoted to Principal Technologist in 2002, Assistant Chief Technologist in 2005 and Chief Technologist in 2008. He was converted to Lecturer 1 in 2009, promoted to Senior Lecturer in 2012, Reader in 2016 and became a Professor of Petroleum Geology and Applied Geophysics in 2019.
He served as the Head of Department of Geological Sciences, Nnamdi Azikiwe University, Awka from 2014 to 2015. He served in various committees in the University, Faculty and Department; and is at present the Chairman NAU Water Committee and Faculty of Physical Sciences Lecture monitoring Committee. He is an Editor of Journal of Basic Physical Research, Nnamdi Azikiwe University and Journal of Physical Sciences, Chukwuemeka Odimegwu Ojukwu University, Uli. He was the Chairman of Okpoko Progressive Union, Okpoko, Isuofia, Aguata Local Government Area, Anambra State, Nigeria from 2017 to 2021.
He is the Geotechnical Consultant to; Orient Petroleum Resources Ltd, Peter University Onneh and Central Bank of Nigeria. He is also a water resources consultant to the Anambra State Ministry of Health and Public Utility.
His research interests are petroleum geosciences, geophysics, geotechnics water resources.