Olubunmi Florence, OsemeneAbogun, S.Olaoti, Y.I.Ahmed, S.2020-05-292020-05-2920172488-8893http://hdl.handle.net/123456789/4125The study investigated directors' heterogeneity and its impact on banks financial performance over a period of seven years (2008-2014), Secondary data were collected from the annual financial statements of banks and were analysed with the ordinary least square regression technique. The result showed that board nationals have a negative significance on return on equity, board gender composition have a positive significance on return on equity, board ethnicity have a positive impact on return on equity, and board size have no significance on return on equity while bank size have negative significance impact on return on equity. The study concluded that directors' heterogeniety has significant impact on banks performance.enHeterogenietyFinancial performanceDeposit money banksNigeriaArticle