People who get to the top are leaders.

Not necessarily. One of the most persistent misperceptions is that people in leadership positions are leaders. But people who make it to the top may have done so because of political acumen, not necessarily because of true leadership quality. What's more, real leaders are found all over the organization, from the executive suite to the shop floor. By definition, leaders are simply people who have followers, and rank doesn't have much to do with that. Effective military organizations like the U.S. Navy have long realized the importance of developing leaders throughout the organization