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.
Matt Rosendale Matthew Rosendale (born July 7, 1960) is the Auditor for the State of Montana. Previously he was a Republican member of the Montana Legislature. In 2010 he was elected to House District 38 which represents the Glendive area. He was elected as Senator for the 2013 and 2015 sessions. In July 2017, Rosendale announced that he would challenge incumbent Democratic Senator Jon Tester in Montana's 2018 U.S. Senate election.