Barnett was first elected auditor in 2010, defeating Democratic state senator Julie Bartling with 61% of the vote.[6] He was reelected in 2014, defeating Libertarian Kurt Evans with 80% of the vote.[7]
Barnett was elected Secretary of State of South Dakota in 2018. Barnett ran for a second term in 2022, but lost the nomination at a party convention to Monae Johnson.[8] Barnett resigned from office early to return to the private sector.[9]
Personal life
Barnett and his wife, Nicole, have 3 children: Emma, Henry, and William.[5]