Jason Gunderson

Jason Gunderson is the Republican candidate for Montana State Senate District 29 in the November 3, 2026 general election, facing Democrat Scott Rosenzweig for a seat with no incumbent.[1][3] A police detective, Gunderson said in a Ballotpedia survey that he is running for a fair, transparent tax code and a Taxpayer Bill of Rights.[2]

Jason Gunderson was born in Libby, Montana, and attended Libby High School.[1] He earned a bachelor’s degree from American Public University in 2021.[1] In a 2026 Ballotpedia survey, Gunderson said he has spent 23 years as a firefighter, EMT and law enforcement officer, and that he currently serves as a police detective, president of his department’s nonprofit association and vice president of its employee association.[2]

Gunderson was the Republican nominee for Montana House of Representatives District 58 in 2024, when he advanced from an uncontested Republican primary and lost the general election to Democrat Jamie Isaly, 53.6 percent to 46.4 percent.[1] He advanced from the Republican primary for Senate District 29 on June 2, 2026, with 2,417 votes.[1] In his 2026 survey responses, Gunderson named tax relief, emergency services and infrastructure as policy priorities, along with thoughtful decisions on data centers and changes in the financial system.[2] He also said government spending is the true source of the tax burden and that Montana should operate with an efficient, lean government.[2]

Researched from the cited sources on 2026-10-21. Not yet independently fact-checked.