John Barrasso — SPARQNOW

At-a-Glance

Serves as the senior United States Senator from Wyoming since 2007
Becomes Senate majority whip, the second-ranking Senate Republican, in 2025
Served in the Wyoming State Senate from 2003 to 2007
Practiced as a board-certified orthopedic surgeon in Casper from 1983 to 2007
Received M.D. from Georgetown University School of Medicine in 1978
Served as president of the Wyoming Medical Society

Biography

John Barrasso is an American physician and politician who serves as the senior United States Senator from Wyoming, a position he has held since 2007. A member of the Republican Party, he previously served in the Wyoming State Senate from 2003 to 2007. In 2025, he is slated to become Senate majority whip, the second-ranking Senate Republican. He has also been the dean of Wyoming's congressional delegation since 2021.