Marianne Lake has become more prominent at the nation's largest bank, emerging as the voice in discussing its performance and defending its size.

The highest-ranking woman at the world's largest custody bank is looking to better understand millennial employees. "They are the future," Peetz says.

As Wells Fargo's head of community banking, Carrie Tolstedt has to grapple with an ever-changing retail landscape and a lot of new technology.

Wells Fargo's consumer lending unit has thrived under Avid Modjtabai.

Cathy Bessant, who has a new C-suite title at Bank of America, builds confidence by taking on challenges that scare her. She also takes on technological decluttering and gender equality.

Citi wants to be viewed as a technology company with a banking license and it's up to Heather Cox to make that happen.

The first female COO in Northern Trust's history has worked there for her entire 35-year career, rising through the management ranks by taking roles outside of her comfort zone. Now she's on the short list of potential successors to CEO Rick Waddell.

The head of Citi's banking unit is working to improve the gender imbalance in the senior executive ranks while also streamlining global retail operations.

Newly promoted Diane Reyes has learned the art of getting more resources for a project. Hint: revenue growth helps.

Wherever there's trouble at JPMorgan Chase, Sandie O'Connor is likely to follow.

Anne Finucane's primary duties at Bank of America — setting strategy and overseeing marketing and advertising — are evident in her title. But she actually does a whole lot more.

Only two women have ever been named chairman of the American Bankers Association. Dorothy Savarese is one of them.

SunTrust CEO Bill Rogers has tapped Rilla Delorier to lead the largest transformation in the company's history. She aims to create a better experience not just for customers, but also employees.

Mary Navarro is helping Huntington achieve enviable growth. The retail banking initiatives she has led continue to attract new customers, including millennials.

Eileen Serra, the only female CEO at any of the six largest credit card issuers, has positioned Chase as a leader in protecting customer data.

In the eight years that Leslie Godridge has led the National Corporate and Institutional Banking unit at U.S. Bancorp, she has broadened its scope from regional to national and grown its loan portfolio significantly.

Karen Larrimer is making sure all PNC employees — even those in the back office — understand how their jobs connect to the customer.

Patti Husic — who runs a community bank where 75% of the executive team is female — has emerged as a leading advocate in her home state of Pennsylvania of getting more women into banking's executive ranks.

Andrea Smith handled so many disparate assignments as global head of human resources at Bank of America that CEO Brian Moynihan finally had to create an entirely new job title for her: chief administrative officer.

The No. 2 executive at RBC is leading its integration of Los Angeles-based City National Bank.