Personality can be viewed from two perspectives: identity, how one sees oneself, and reputation, how one is perceived by others. Reputation tends to be a stable predictor of future behavior. Leaders display both bright-side characteristics like integrity and competence, as well as dark-side dysfunctional dispositions that become apparent under pressure. Up to 2/3 of leaders will fail due to these dark-side traits. Hogan identifies 11 potential derailing traits that were strategies developed in childhood but continue to be used in adulthood in dysfunctional ways. Early warning signs of potential derailment include poor results, a narrow perspective, poor team building, problematic working relationships, and inappropriate behavior. However, derailment is avoidable for leaders