Mr. Aku is the Chairman of the Board of Directors of Marathon Asset and Funds Management Limited. He was formerly Group Head Strategy of Ecobank Transnational Incorporated and prior to that engagement, the Managing Director/CEO of Ecobank Nigeria Limited, Executive Director of Afribank PLC (now Skye Bank PLC) and Treasurer of Citibank Nigeria Limited.
He is also Chairman of FMDQ NIBOR Committee and the erstwhile President of the Money Market Association of Nigeria (now Financial Markets Dealers Association of Nigeria (FMDA)).
He is a member of and represents the FMDA Board of Trustees on the Board of FMDQ Group PLC.