"The one and only personality trait the effective ones I have encountered did have in common was something they did not have: they had little or no 'charisma' and little use either for the term or what it signifies." Supporting Drucker's claim, Brigham Young University management professor Bradley Agle studied the CEOs of 128 major companies and found that those considered charismatic by their top executives had bigger salaries but not better corporate performance. We"