
1. Ursula Burns Source:CEO, Xerox D.O.B: September 20, 1958 Burns is both the first black woman to head an S&P 100 company and the first woman to succeed another female CEO of an S&P 100 company 2. Arianna Huffington Source:Editor and cofounder, The Huffington Post D.O.B: July 15, 1950 Since launching The Huffington Post in 2005 3. Tina Brown Source:Editor and cofounder, The