Mr. Onwuka was the Chief Financial Officer and Executive Director of Seplat Petroleum Development Company PLC. Prior to this, he served as Group Managing Director, Diamond Bank PLC, and Chairman, Enterprise Bank Limited, among others. He also served on the inaugural Board of the erstwhile FMDQ OTC PLC from 2012 to 2014.
He serves on the Boards of Hello Pay, Airtel Networks Limited (Bharti Airtel), as well as the Board of FMDQ Group PLC as an Independent Non-Executive Director. He is also the Chairman, FMDQ Securities Exchange Limited.