Jack Kolbeck is a member of the South Dakota House of Representatives, representing District 13. He assumed office on February 5, 2025. His current term ends on January 12, 2027. Kolbeck is running for re-election to the South Dakota House of Representatives to represent District 13. He is on the ballot in the Republican primary on June 2, 2026. On February 5, 2025, Governor of South Dakota Mike DeWine appointed Kolbeck to the South Dakota House of Representatives to replace Tony Venhuizen.