In military, Anderson served in the Montana Army National Guard. On November 6, 2018, as an incumbent, Anderson won the election and continued serving District 20. Anderson defeated Keaton Sunchild with 68.48% of the votes. While Anderson was a Principal of
Custer County District High School from 1982-2002, James Jensen, an athletic trainer, was allegedly sexually abused students there. In 2019, Anderson faced pressure from a county Republican leader to resign from his legislative position. == Awards ==