Harvard
For Fortune's Most Powerful Women, the MBA degree is clearly the degree of choice. Some 18 out of 50 women have them. All told, members of this year's list are a highly educated bunch. Thirty-nine out of the 50 women on the list have advanced degrees, which includes three lawyers. Xerox's Ursula Burns has a master's in mechanical engineering from Columbia, and Walt Disney's Anne Sweeney has a master's in education from Harvard.
Harvard Business School leads the pack with five of Fortune's most powerful women, from newly installed Hewlett-Packard CEO Meg Whitman to Facebook chief operating officer Sheryl Sandberg
The alumni and their rankings on our list are:
• Meg Whitman, Hewlett-Packard: No. 9
• Sheryl Sandberg, Facebook: No. 12
• Abigail Johnson, Fidelity Investments: No. 18
• Mary Callahan Erdoes, JPMorgan Asset Management: No. 24
• Lynn Elsenhans, Sunoco: No. 35
