Gingras attended Yale University from 2000 to 2004, graduating with a Bachelor's degree in American studies and a concentration in sociology . At Yale, Gingras played basketball as the starting point guard for the Yale Bulldogs and served as captain her senior year. 
She began her career in journalism as a CBS News production assistant in New York. Brynn's coverage over her career has earned her an Edward R. Murrow Award , a National Emmy and three Regional Emmys .  
She joined CNN in March 2016, she's reported on the Orlando nightclub shooting, the 2016 presidential election, the aftermath of international terrorist attacks and the historic flooding in West Virginia.