More than 30 years ago, Henry Mintzberg reported on upper level management in large US corporations. His resulting work, "The Nature of Managerial Work", - ceived much attention. Expanding on earlier research, Mintzberg's 1973 study was able to show that the work situation at the topmost levels of leadership is charact- ized by extreme stress; critical factors include the accountability to others such as the board and shareholders, time pressure,...