What is excellence?
What gets measured gets done without measuring where you are at you have no chance on knowing where you need to go.
Striving for excellence may be the toughest element, this is where the ability to see the whole picture with all of the pieces in their place. You need to understanding the value of each piece as part of the expected outcome. Create a value system and stick to proven methods using principles and standards that produced previous results of excellence. Above all, use sound judgment based on morality and ethics that demonstrate those values and convictions.