How long did Greg Gianforte's predecessor serve as U.S. representative for Montana's at-large congressional district?
Ryan Zinke Ryan Keith Zinke (born November 1, 1961) is an American politician and businessman who is currently the 52nd United States Secretary of the Interior, serving in the Trump administration. Zinke served as the U.S. representative for Montana's at-large congressional district from 2015 until 2017. From 2009 to 2013, he served as a member of the Montana Senate, representing the 2nd district.
Jim Sensenbrenner Frank James "Jim" Sensenbrenner Jr. (born June 14, 1943), is an American politician who has been a member of the Republican Party in the United States House of Representatives since 1979, representing  's 5 congressional district . The district, the state's most Republican, includes many of Milwaukee's northern and western suburbs, and extends into rural Jefferson County. It was numbered as the 9th District until 2003.