Mavis Sika Okyere (née Nyarko) is a senior pipeline integrity engineer at Ghana National Gas Company. She is an expert in risk-based assessment, pipeline integrity, corrosion protection and monitoring. She has experience with subsea structural engineering, piping and pipeline engineering principles as applied to both onshore and offshore conditions. Mavis studied MSc. Gas Engineering and Management at University of Salford, United Kingdom and BSc. Civil Engineering at Kwame Nkrumah University of Science and Technology, Ghana. She worked with LUDA Development Ltd, Bluecrest College, INTECSEA/Worleyparsons Atlantic Ltd, Technip, Ussuya Ghana Ltd, and Ghana Highway Authority. She has published in several books and journals, and is a member of many National and International bodies.