Want to be in the business of being on top? How do you climb the corporate ladder all the way to the top? According to some new research, you'll need to have some narcissistic qualities.

The researchers at Emory University did an analysis of 42 United States Presidents and found that grandiose narcissism was associated with high ratings from historians of their overall presidencies.
Grandiose narcissism is characterized by an extroverted, self-aggrandizing, domineering and flamboyant personality.

Presidents with narcissist traits also scored high on public persuasiveness, crisis management, risk-taking, winning the popular vote and initiating legislation.
So narcissism is ok after all.  Psych Central