What are the comparisons and contrasts between servant and authentic leadership?

What are the comparisons and contrasts between servant and authentic leadership?
Which of the various elements of authentic leadership do you think are essential or most important? Which ones are less so? Why?
What are the differences between micro and macro leadership? Provide examples to support your answer.
What are the strategic forces that affect upper echelon leaders and their organizations? What processes do upper echelon leaders use to impact their organizations?