The paper has argued that personal qualities strongly influence an individual’s manner in an organization. The main objective of the paper is to clarify needs for further researches. In order to accomplish the paper objective, the importance of criteria defining would be explained first, and then the literature of personality-performance relationship is reviewed. Finally, it is demonstrated that varying level of one particular trait affects the expression of other qualities in someone’s character. | A review of personality and performance Identifying boundaries and future research directions