What is Jon Tester?
{{Infobox officeholder | name = Jon Tester | image = JonTester.jpg | office1 = Chair of the [[United States Senate Committee on Veterans' Affairs|Senate Veterans' Affairs Committee]] | term_start1 = February 3, 2021 | term_end1 = January 3, 2025 | predecessor1 = [[Jerry Moran]] | successor1 = [[Jerry Moran]] | office2 = Ranking Member of the [[United States Senate Committee on Veterans' Affairs|Senate Veterans' Affairs Committee]] | term_start2 = January 3, 2017 | term_end2 = February 3, 2021 | predecessor2 = [[Richard Blumenthal]] | successor2 = [[Jerry Moran]] | office3 = Chair of the [[Democratic Senatorial Campaign Committee]] | leader3 = [[Harry Reid]] | term_start3 = January 3, 2015 | term_end3 = January 3, 2017 | predecessor3 = [[Michael Bennet]] | successor3 = [[Chris Van Hollen]] | office4 = Chair of the [[United States Senate Committee on Indian Affairs|Senate Indian Affairs Committee]] | term_start4 = February 12, 2014 | term_end4 = January 3, 2015 | predecessor4 = [[Maria Cantwell]] | successor4 = [[John Barrasso]] | jr/sr = United States Senator | state = [[Montana]] | term_start = January 3, 2007 | term_end = January 3, 2025 | predecessor = [[Conrad Burns]] | successor = [[Tim Sheehy (American politician)|Tim Sheehy]] | office5 = President of the [[Montana Senate]] | deputy5 = [[Dan Harrington (politician)|Dan Harrington]] | term_start5 = January 3, 2005 | term_end5 = January 3, 2007 | predecessor5 = [[Bob Keenan]] | successor5 = [[Mike Cooney]] | office6 = Member of the [[Montana Senate]] | constituency6 = {{ubl |45th (1999–2005) |15th (2005–2007)}} | term_start6 = January 4, 1999 | term_end6 = January 3, 2007 | predecesso