Deposit Insurance Corp. U.S. 34 Marina Berlusconi <http://www.forbes.comilists/2006/11/biz_powerwomen08_Marina-Berlusconi_ 4JHY.html> Chairman, Finivest Group and Mondadori Group Italy 36 Oprah Winfrey <http://www.forbes.com/lists/2008/11/biz_powerwomen08_Oprah-Winfrey_O02T .html> Chairman, Harpo U.S