If you ask managers what they do, they will most likely tell you that they plan, organise, co-ordinate and control. Then watch what they do. Don't be surprised if you can't relate what you see to those four words.
Henry MintzbergWe're all flawed, but basically, effective managers are people whose flaws are not fatal under the circumstances. Maybe the best managers are simply ordinary, healthy people who aren't too screwed up.
Henry Mintzberg