Miller started her automotive career with
Circuit City. She worked in financing vehicles for an automotive company and later worked with the Alamo National car rental agency. In 1998, she moved to Florida to join a company which was the predecessor of
AutoNation. Miller joined AutoNation in 2009 and in 2014, she was promoted to
chief financial officer. In 2017, she managed a partnership with the self-driving company
Waymo. In July 2019, Miller became the
chief executive officer of AutoNation. As the CEO of AutoNation she oversaw 26,000 employees and 325 auto dealerships across the United States. Miller resigned her position as CEO for AutoNation due to undisclosed medical reasons in July 2020. She was still liable for bonuses and stock for the work she had done and in addition she received a leaving settlement of $5.4m. Under the terms she was not allowed to work in competition to the company for a year. == References ==