A leader must encourage his team to leave their egos outside of the decision-making process. To paraphrase a former President, it's amazing how much can be accomplished if nobody cares who gets the credit.
In the organizations I have led, I have tried to make it so that it is better to ask for forgiveness than permission. I like to empower people deep into the hierarchy. This can be dangerous and even fatal to an organization if the culture is not ready for it.
It is why
People is the most important component of my decision making in my leadership style. Giving people the freedom to fail is essential to an organization that wants to remain vibrant and nimble.