John Thune — Senate Majority Leader

**John Randolph Thune** is the Senate Majority Leader (elected November 2024, took office January 3, 2025). Born January 7, 1961, Pierre, South Dakota. Biola University (BA Business Administration), University of South Dakota (MBA). Former U.S. Representative (1997-2003), U.S. Senator from South Dakota (2005-present). Defeated Tom Daschle in 2004 — unseating a sitting Senate leader is one of the rarest feats in American politics.