Simpson began her career at J. B. Hunt after graduating in 1994 from the Walton College with a degree in marketing. In her career, she has held various positions across J.B. Hunt, including director of pricing for truck and intermodal, vice president of economic analysis, senior vice president of finance and administration, and, in 2007, president of ICS. In 2009, the Northwest Arkansas Business Journal honored Simpson as one of 40 business leaders under 40 years old who bear watching. In 2011, she was appointed as the company’s chief marketing officer. In 2014, she took on the additional role of president of J.B. Hunt’s truck division.
Simpson lives in Rogers with her husband, David, and their three children. Simpson, a member of the Walton College Dean’s Executive Advisory Board, is devoted to causes related to promoting women in the workplace. In 2016, she was named a Distinguished Woman in Logistics by the Women in Trucking organization.