While a sense of humour can be an effective leadership tool, it depends on how that humour is used. Humour that targets or belittles followers undermines the leader’s influence. On other hand, humour that is self-deprecating can increase the connection between a leader and his or her followers.
Self-deprecating humour is especially potent for transformational leaders, defined as leaders who are focused on the advancement and success of their people. Transformational leadership consists of these four components:
Via Susan Bainbridge