Abstract: The dark side of personality in the workplace is generally defined in terms of the dysfunctional disposition which is related to performance, or it is considered to be a multidimensional construct. It is shown that there is close correlation among the dark side of personality, personality structure and managerial derailment element according to relevant researches. At present, most of the researches focus on the construct investigation and related impact on work output. Empirical studies reveal that the dark side of personality significantly affects leadership and work output. Further researches should focus on psychological mechanisms and localization of the dark side of personality.

Key words: IWO, the dark side of personality, managerial derailment, performance, leadership