Leadership and profound knowledge
The conversed triangle.
The role of leader is to create an environment in which the aims of the organization and individual needs are simultaneously met. Steven covey labelled this behaviours as "win - win" but the organizations today usually get used to with "lose-win". I find it as the challenge for new leaders to make it better...
Another major role of leader is to provide the clear direction, it is also important to make it clear not only word but also perspective.