United States Senator Directory

Mike Rounds

Marion Michael Rounds is an American businessman and politician serving as the junior United States Senator from South Dakota since 2015. A member of the Republican Party, he served as the 31st governor of South Dakota from 2003 to 2011, and in the South Dakota Senate from 1991 to 2001.

  • Republican
  • South Dakota
  • Current
Portrait of Mike Rounds South Dakota
Role Senator

Current assignment referenced in the congressional directory.

State South Dakota

Representing constituents across the South Dakota delegation.

Service since January 3, 2015

Years of public service formally recorded.

Font size

Biography

About Senator Marion Michael

On January 6th, 2015, Senator Marion Michael “Mike” Rounds was sworn into the United States Senate. Senator Rounds serves on five committees: Senate Armed Services; Banking, Housing and Urban Affairs; Foreign Relations; Indian Affairs; and Veterans’ Affairs.

Rounds previously served as the 31st governor of South Dakota from 2003 – 2011, easily winning reelection in 2006. From 1991 to 2000, he was elected five times to the South Dakota State Senate. In 1995, his colleagues selected him to serve as Senate Majority Leader, a position that he held for six years. During his time in state government, Rounds was committed to growing the economy, keeping taxes low and strengthening South Dakota families.

A lifelong South Dakotan, Senator Rounds was born in Huron, the eldest of 11 siblings. He earned a bachelor’s degree in political science from South Dakota State University. In the private sector, Rounds built a successful insurance and real estate business with offices throughout the state. He resides in Fort Pierre and is the proud parent of four grown children and 10 grandchildren.

Congressional Record

Loading recent votes…

More Senators from South Dakota