Effective Leader

In search of lessons to 1 in our own careers, we often try to 2 what effective leaders do. Roger Martin says this focus is misplaced, because moves that work in one context may make little sense in another. A more productive, though more difficult, approach is to look at how such leaders 3. After extensive interviews with more than 50 of them, the author discovered that most are 4 thinkers -that is, they can hold in their heads two opposing ideas at once and then come up with a new idea that contains elements of 5 but is superior to both.