International Journal of Business and Management Review Vol.10, No.5, pp.1-25, 2022 Print ISSN: 2052-6393(Print), Online ISSN: 2052-6407(Online) 1 @ECRTD-UK: https://www.eajournals.org/ Publication of the European Centre for Research Training and Development -UK Effect of Board Size and Board Composition on Organizational Performance of Selected Banks in Nigeria Mr. Isidore Godwin Usendok M.Sc. Student, Department of Business Administration, Faculty of Management Sciences, Akwa Ibom State University, Nigeria Dr. Aaron Akpan Department of Business Administration, Faculty of Management Sciences, Akwa Ibom State University, Nigeria Dr.Akpanim N. Ekpe (Associate Professor) Department of Public Administration, Faculty of Management Sciences, Akwa Ibom State University, Nigeria Citation: Isidore Godwin Usendok; Aaron Akpan; Akpanim N. Ekpe (2022) Effect of Board Size and Board Composition on Organizational Performance of Selected Banks in Nigeria, International Journal of Business and Management Review, Vol.10, No.5, pp.1-25 ABSTRACT: The corporate collapses and failures experienced in the banking industry amid the organizational performance have been a major concern. The study aimed at ascertaining the performances of banks and determining the effect of board size, board composition and organizational performance of selected banks in Nigeria. The methodology adopted was combination of both descriptive design and ex-post facto research. A sample of 6 deposit money banks was purposively selected for a period of 6 years. The data were obtained from the annual reports of the selected deposit money banks. Both descriptive statistics and ratio analysis were used to analyze collated data. Hypotheses were tested by multiple regression and Pearson product moment correlation methods. The finding of the study revealed that there is a positive relationship between Board Composition with performance of selected Banks, while Board Size showed negative significant relationship with performance of selected Banks respectively. The study concluded with recommendations that Corporate Governance Mechanism and Code of Best practices contributed a good deal to the performance of Banks – that the managers of Selected Banks should adopt Corporate Governance principle and best practices as integral parts of managing banks for both effective and efficient service delivering, thus striking a balance between organization’s objective and the stakeholder’s interest. KEYWORDS: Board size, board composition, corporate governance and financial performance INTRODUCTION The corporate scandals of the twenty first century have elicited debate on the best approaches to ensure that corporate governance mechanisms effectively check the excesses of firms’ management. These scandals and failures affect national and