Steven David Daines (born August 20, 1962) is an American politician and former corporate executive serving as the junior United States senator for Montana since 2015. A Republican, he served as the U.S. representative for Montana's at-large congressional district from 2013 to 2015. In 2014, Daines won Montana's open U.S. Senate seat. He was reelected in 2020, defeating the Democratic nominee, Governor Steve Bullock. Before entering politics, Daines worked for Procter & Gamble and RightNow Technologies.