Last year, First United Bank and Trust CEO Karen Glenn made her boldest move to date with a deal to acquire the $85 million-asset Bank of Ohio County in Beaver Dam, Ky. With that deal, the first in its 20-year history, First United boosted its assets by nearly 45%, to $275 million.

Angela Birmingham has held a number of high-ranking banking jobs in her career, but until she started helping her oldest daughter with college applications last year she had never given much thought to being a role model for other women.

Though the general counsel and head of compliance at TD Bank is primarily responsible for making sure the bank's business units are playing by the rules, Ellen Patterson says it is also her team's mission to root out inefficiencies that might be slowing down decision-making and causing pain to customers.

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."

Since joining Schwab in September 2010, Marie Chandoha has made it one of her personal missions to foster an environment that promotes diversity.

It was one thing for Margaret Keane to lead the retail finance arm of GE Capital before it spun off from its parent company, General Electric. But completing the separation from GE in November 2015 was a wake-up call.

Networks are a big deal for Diane Offereins in more ways than one. When she's not busy running a worldwide card payments network, Offereins is often advocating for women's networking.

Since becoming President and CEO of PNC Capital Markets in 2002, Charlotte McLaughlin has been building up what had been a dormant business, making capital markets a profitable and strategically important part of PNC Financial Services Group.

Candace Browning has two very important roles at Bank of America Merrill Lynch — both related to research. Not only does she oversee research for the investment bank, she also spearheads some of its work to evaluate innovative fintech startups.

Even with more than 250,000 applicants for its summer program and analyst classes each year, Goldman Sachs questioned whether it was doing enough to foster diversity in the pool of hopefuls. That's why Edith Cooper, its global head of human capital management, is leading an effort to refine the way it finds talent.

Rebecca Patterson might be a financial expert who journalists at CNBC and other news outlets seek out for commentary, but it wasn't so long ago that she was on the other side of the interview.

For the past four years Suni Harford has been co-chair of Citi Women, a global women's career-track initiative that involves more than 130,000 female employees.

Though some other investment banks have scaled back equity research efforts in recent times, Joyce Chang has successfully led continued investment and expansion at J.P. Morgan.

"To help teach, mentor and sponsor women to realize their full potential and contribute to our business and society inspires me, and keeps me motivated for both my colleagues and for my two daughters," said HSBC's Katia Bouazza.

"One of the most important responsibilities of a leader [is] motivating people and developing the future leaders of the organization," Citi's Julie Monaco said. "When you take the time to communicate these messages to your team you are creating a culture that is distinguished by a commitment to excellence."

Courage is key for Wells Fargo's Diane Schumaker-Krieg. Her 37 years in financial services is practically a road map on how to embody it.