The Most Powerful Women in Banking

Smith's biggest responsibility these days is overseeing the replacement of Zions' core loan and deposit systems — a multi-year effort costing hundreds of millions of dollars — but she's taken great care to ensure that the conversion project is not standing in the way of other tech priorities.

A decade into her role as head of JPMorgan Chase's asset management arm, Erdoes continues to deliver strong results for the nation's largest banking company.

Even as her company invests heavily in cutting-edge technologies designed to improve service and efficiency, Keane is making sure that Synchrony is also investing in educating and training employees whose jobs are at risk of disappearing.

During the past year, Dorothy Savarese has pushed her bank's employees to think more creatively, introducing an innovation contest to facilitate the sharing of fresh ideas within the institution.

Anne Finucane has led Bank of America's effort to reorient itself as the U.K. attempts to leave the European Union, helping to set up the bank's European headquarters in two new locations.