before becoming treasurer of indiana, mitchell served as director of trustindiana from november 2007 to august 2014. her office was part of the state treasurer's office. before becoming director of trustindiana, she served as cass county commissioner from january 1997 to september 2004. during her tenure as commissioner, she served as president of the board of commissioners for five years and was named first-term commissioner of the year by the association of county commissioners. treasurer mitchell also served on the state board of the association of county commissioners for three years, and as a member of the county government senate study commission. as commissioner, she served seven years on the logansport-cass county economic development foundation and as president of the foundation for one year. she founded and co-chaired cass county "make a difference day", managing hundreds of volunteers and dozens of projects every year.