Oracle OpenWorld Conference
Safra Catz, co-CEO of Oracle Corp., is among the 63% of women on Fortune's Most Powerful Women in Business list that did not go to business school. Avelar/Bloomberg via Getty ImagesPhotograph by Avelar—Bloomberg via Getty Images
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The longtime Oracle executive continues to help grow the $37.2 billion company through acquisitions: Catz oversaw eight in fiscal 2013, and in July, Oracle announced its biggest deal since 2010, acquiring hospitality tech provider Micros Systems. Update: On September 18, 2014, Catz was named co-CEO of Oracle.