Ryan Keith Zinke is an American politician and businessman serving as the U.S. representative for Montana's 1st congressional district since 2023. A member of the Republican Party, Zinke served in the Montana Senate from 2009 to 2013 and as the U.S. representative for the at-large congressional district from 2015 to 2017. He served as the United States secretary of the interior under president Donald Trump from 2017 until his resignation in 2019 following a series of ethical scandals.