Callie is a member of the WNFC's Advisory Board. She is also an American football coach and player who is the chief of staff for the Cleveland Browns of the National Football League (NFL). In September 2018, she became the first woman hired as a full-time NCAA Division I coach, when she was promoted by Dartmouth, after briefly working as an intern for the team.
Brownson played from 2010 to 2017 as a free safety and running back for the D.C. Divas in the Women's Football Alliance (WFA), where she helped them win two National Championships. She also won two gold medals playing with the United States women's national American football team.