- CompanyJ.P. Morgan
- Last Year's Rank-
In the management shakeup following JPMorgan Chase’s $6 billion trading loss last year, Lake came out on top, taking the chief finance job at one of the world’s biggest financial institutions. Previously she had been CFO for the company’s consumer businesses. Now the U.K.-raised accountant works closely with CEO Jamie Dimon and is one of only two women (with Erdoes, No. 25) on the 14-person operating committee at the bank, with $108 billion in revenue.