In a country where very few women occupy "C-level" offices, Nakagawa, 46, shattered two glass ceilings this year. A promotion to CFO made her the first woman to hold the post in Nomura Holdings' 85-year history. She was also named the first female executive managing director on the board, on which she serves with four men.
The full list of Fortune's annual ranking of America's leading businesswomen.
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