To me, a leader is a visionary that energizes others. This definition of leadership has two key dimensions: a) creating the vision of the future, and b) inspiring others to make the vision a reality.
Vince LombardiTo be successful, a man must exert an effective influence upon his brothers and upon his associates, and the degree in which he accomplishes this depends on the personality of the man. The incandescence of which he is capable. The flame of fire that burns inside of him. The magnetism which draws the heart of other men to him.
Vince Lombardi