Aune was elected to her first term in 2020 and her second term in 2022, when she was also elected Minority Whip by her colleagues in the Democratic Caucus. She is the Ranking Member on the Emerging Issue committee, and as the Whip, she is an ex-officio member of all committees. During her first term in office, she was appointed by the Governor to the Missouri Military Preparedness and Enhancement Commission where she works with military and civilian leaders across the state to make Missouri the most welcoming place for active duty and retired military members and their families.

Prior to politics, Representative Aune worked in marketing and owned her own agency. She received a bachelor's degree in Communication Studies from the University of Kansas with a minor in English.

Born in Colorado and raised in Kansas, Aune now lives in the Kansas City Northland with her husband and stepdaughter.