Stephen Stumph of N.Y. Univ's graduate School of Management, has identified six major skills needed at the top once you get there. They are:

1. Having a vision. Executives must fashion a vision of what the company can be, champion that view and get employees behind it.
2. Managing rivalry. A CEO should not try to eliminate competition between subordinates and sub-units entirely, because it can be positive.
3. Thoroughly k…