Leading by example can only do so much if others do not know what philosophy you yourself are trying to model.

FORBES: 10 Traits of Courageous Leaders

Not only do you know that the customer deeply appreciates your work, but the CEO has broadcasted it to every one of your coworkers.

FORBES: Seven Signs of a Customer-Focused CEO

Not only do those who know you emulate your behavior (and vice versa) but their friends do as well.

FORBES: Connect