United States Senator Directory

Michael Diedrich

Michael Diedrich, an American politician and member of the Republican Party, serves in the South Dakota State Senate, representing District 34. He assumed office on January 12, 2021.

  • Republican
  • South Dakota
  • Current
Portrait of Michael Diedrich South Dakota
Role Senator

Current assignment referenced in the congressional directory.

State South Dakota

Representing constituents across the South Dakota delegation.

Service since 2024

Years of public service formally recorded.

Font size

Biography

Michael Diedrich is an American politician and attorney. Born in Rapid City, South Dakota, he attended Rapid City Central High School. He earned a bachelor’s degree from the University of South Dakota, a Juris Doctor from the University of South Dakota School of Law, a Master of Public Administration from the John F. Kennedy School of Government at Harvard University, and a Master of Laws in healthcare law from the Loyola University Chicago School of Law.

Diedrich has had a distinguished career in public service. He served as a member of the South Dakota Senate from 1987 to 1991 and again from 1993 to 1995. In addition to his legislative work, Diedrich worked in the Rapid City attorney’s office and served as the vice president of government relations for Regional Health (now Monument Health).

In 2017, Governor Dennis Daugaard appointed Diedrich to the South Dakota House of Representatives, succeeding Craig Tieszen, who tragically passed away in a boating accident on November 23, 2017. Diedrich assumed office on December 29, 2017, and has continued to serve the people of South Dakota.

His commitment to public service, legal expertise, and dedication to healthcare issues make him a valuable asset to the state. As a Republican representative, Diedrich continues to advocate for the well-being of his constituents.

More Senators from South Dakota