The Most Powerful Women in Banking

Michelle Di Gangi is quietly building Bank of the West into a force in small- and midsize-business lending.

Retaining top talent is a priority for Joan Parsons, Silicon Valley Bank's executive vice president for corporate banking, so last year she launched an internal development program that provides top employees with new experiences and challenges that might ultimately prevent them from jumping ship.

Mary Callahan Erdoes is not as much of a household name as Warren Buffett or Jamie Dimon, but as J.P. Morgan Asset Management's chief executive, she has undeniable influence on Wall Street.

After the U.K. vote in June to leave the European Union, Barbara Byrne had one message for her employees at Barclays: Pay close attention to how it plays out.

"As women, we need to remind ourselves to have an 'opt-in' attitude," said Abigail Johnson, President and CEO of Fidelity Investments. "Career downturns happen to everyone and we must remember to treat them as opportunities to change how we work or try something new. That is what shows our true mettle."