Jon Tester (born August 21, 1956) is a junior Democratic United States Senator from Montana. From 2001 to 2003, Tester held the position of minority leader in the Montana Senate. In 2005, his colleagues selected as President of the Montana Senate. He elected to the United States Senate by garnering the support of forty-nine percent of Montana voters in the 2006 election. He was narrowly re-elected in 2012, despite Barack Obama losing Montana on the same night.