He also holds an MBA (Distinction) in International Banking & Finance from the University of Birmingham, United Kingdom as a Chevening Scholar.
He began his banking career with Guaranty Trust Bank in 1991, where he rose through the ranks to the position of Assistant General Manager, Commercial Banking Group East. He joined Access Bank Plc in 2002 as General Manager and was subsequently appointed as an Executive Director in Access Bank Plc in 2004. In 2014, he joined Coscharis Group as the Deputy Managing Director.
He is a Fellow of the Institute of Chartered Accountants of Nigeria (ICAN), an Associate of the Chartered Institute of Taxation and an honorary member of the Chartered Institute of Bankers of Nigeria (CIBN). Okey has also served on the Board of Stanbic IBTC Pensions Managers Limited as a Non-Executive Director and as the Chairman of the Board of Directors of Access Bank’s subsidiaries in Rwanda and Burundi.