Jon Tester, American farmer and politician

Raymond Jon Tester is an American politician and farmer who served from 2007 to 2025 as a United States senator from Montana. A member of the Democratic Party, Tester served in the Montana Senate from 1999 to 2007, and as its president from 2005 to 2007. He is currently a political analyst for MSNBC. As of 2025, he is the last Democrat to have won or held statewide office in Montana.