A Democrat, Kreitlow was a member of the Wisconsin State Senate, representing Wisconsin's 23rd Senate district, from 2007 to 2011. In November 2008, Kreitlow was elected President pro tempore of the Wisconsin State Senate.
A Democrat, Kreitlow was a member of the Wisconsin State Senate, representing Wisconsin's 23rd Senate district, from 2007 to 2011. In November 2008, Kreitlow won election as President pro tempore of the Wisconsin State Senate.