When Business Insider previously spoke with author Simon Sinek about leadership, je explained that individuals who believe themselves to be excellent leaders are often, in fact, terrible leaders.
Great bosses recognize that authority and rank do not equal leadership abilities. As a result, they are constantly working to improve themselves. These quality bosses might even feel inadequate at times.
However, just the fact that they recognize their own flaws renders them superior to many managers that totally lack self-awareness.
Jacquelyn Smith contributed to a previous version of this article.