The author critically examined why corporate governance (CG)practices in Nigeria banks failed to solve agency problem despite additional guideline issued by the apex bank (Central bank of Nigeria). Two of the banks affected by recent banking reform in the country were used as the case study. The study answered the following questions; What is corporate governance and its functions in Nigerian banking industry? What are the common agency problems that manifest themselves in the principal agent relationship in the Nigeria banking industry? What is the role of Central bank regulation in ensuring...