State Assembly In 1988, Harsdorf ran for and won the seat of the 30th Assembly District in the Wisconsin State Assembly. She won a total of five consecutive elections, finishing her last term in 1999. During Harsdorf's time in the State Assembly, she served on the Assembly committees on Natural Resources, on Veterans and Military Affairs, and on Agriculture, and was the ranking Republican on the Colleges and Universities Committee. She also served on the Legislative Advisory Committee on the Minnesota-Wisconsin Boundary Area Commission and on the Legislative Council Special Committee on Land Use. In 1995, she was appointed to the prestigious Joint Finance Committee, a 16-member committee responsible for drafting the state's biennial budget.
State Senate In 2000, Harsdorf entered the
10th State Senate District race against Democratic Senator
Alice Clausing, a two-term incumbent. The 10th Senate District comprises all of
St. Croix County and portions of
Burnett,
Dunn, Pierce and
Polk counties in the northwestern part of the state. She defeated Clausing and independent candidate Jim Nelson in the general election. She was re-elected in 2004, defeating challenger Gary Bakke, and 2008, defeating challenger Alison Page.
Recall effort Harsdorf was subject to a recall effort as part of the
2011 Wisconsin protests. Recall organizers filed an estimated 23,000 signatures with the Wisconsin Government Accountability Board, which verified the petitions and overruled challenges by Harsdorf. The recall election was set for August 9, 2011. Teacher and educators' union official Shelly Moore ran against Harsdorf in the recall election. Harsdorf defeated Moore, 58 percent to 42 percent in the recall election.
Cabinet appointment In November 2017, Harsdorf was appointed Wisconsin Secretary of Agriculture, Trade and Consumer Protection by Governor Scott Walker. Her brother,
Jim, had previously served in the same role under Governors
Scott McCallum and
Jim Doyle from 2001 to 2003. Harsdorf is the first woman to head DATCP in the department's 88-year history. ==Personal life==