Women exercise power horizontally. I've said this often -- in speeches about leadership and at the Fortune Most Powerful Women Summit, an annual event that I chair. This horizontal slant spurs women leaders to reach beyond the jobs they're hired to do.
Want proof? In May, 40 top female executives in the U.S. -- all participants in the Fortune Summit -- spent two and half weeks mentoring rising stars from 24 MOREPatricia Sellers - Jun 12, 2008 2:16 PM ET
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