About Dave

Senator Dave Senjem (pronounced SEN-jum) was first elected to the Senate in 2002. He represents District 25 which includes portions of Dodge County, and the North and Westerly portions of Olmsted County including half of Rochester. In November 2006, Senjem was elected by his caucus to serve as the Senate Republican Minority Leader. In 2011 Senjem was elected by his Senate peers as Senate Majority Leader.

Senator Senjem graduated from Hayfield High School and received a BA from Luther College. He was inspired into a life of public service by his father who was mayor of Hayfield and through his involvement with the Rochester Jaycees. Senator Senjem’s public involvement includes 11 years on the Rochester City Council, 4 years as a Park Board member, and 6 years as a member of the Olmsted County Environmental Commission. He spent 16 years on the Minnesota Emergency Response Commission, and 4 years on the Minnesota OSHA Advisory Committee. He also served as Vice Chair for the Community and Economic Development Committee of the National League of Cities.

Senator Senjem joined Mayo Clinic in 1964 and retired in 2008. While at Mayo he worked as an institutional biosafety officer and was responsible for all aspects of environmental regulatory compliance. As a Minnesota Senator, Senator Senjem serves as lead Republican on the Capital Investment Committee, and as a member of the Tax Committee, Transportation Committee, the Legislative Energy Commission, and the Minnesota Capitol Preservation Commission.

Senator Senjem is proud of his awards and endorsements


  • International Union of Operating Engineers Local 49
  • Minnesota Chamber of Commerce
  • National Federation of Independent Business
  • Minnesota Gun Owners PAC


  • National Federation of Independent Business, “Guardian of Small Business Award”
  • Rochester Area Builders Association, “ Denny Hanson Memorial Award”
  • Voices for Racial Justice, “Champion for Racial Justice Award”


Find Polling Location

Paid for by Senjem for Senate | P.O. Box 5901, Rochester MN, 56903