She previously ran for the leadership of the governing Saskatchewan Party, losing to Scott Moe on the fifth ballot.
[2] Koch held several political positions in the Saskatchewan legislative building under the Progressive Conservative government of Premier Grant Devine.
Upon the defeat of the Devine government in 1991, Koch accepted a position as Executive Director of the Western Canadian Wheat Growers Association.
In 2016 she was appointed to the position of Deputy Minister to the Premier in Saskatchewan, the first woman to hold this position[4] On August 28, 2017, Koch announced her bid for the leadership of the Saskatchewan Party just days after party leader and Premier Brad Wall announced that he was retiring from politics.
[5] She took a leave of absence from her position as Deputy Minister to the Premier, vacating her seat to Kent Campbell.