Michael Dean Crapo ( KRAY-poh; born May 20, 1951) is an American lawyer and politician serving as the senior United States senator from Idaho, a seat he has held since 1999. A member of the Republican Party, Crapo served as the U.S. representative for Idaho's 2nd congressional district from 1993 to 1999. He is the dean of Idaho's congressional delegation, having served since 1993. Born in Idaho Falls, Crapo is a graduate of Brigham Young University and Harvard Law School. He practiced law in his home city throughout the 1980s, while also maintaining an active role in local Republican politics. His brother Terry Crapo was majority leader in the Idaho House of Representatives from 1968 to 1972 and an influential political figure until his death from leukemia in 1982. After his brother's death, Crapo was elected to the Idaho Senate in 1984. He served as Senate president pro tempore from 1988 to 1992. Crapo was elected to an open seat in Congress in 1992, representing Idaho's 2nd congressional district in the House of Representatives. After three terms in the House, he ran for the open seat in the U.S. Senate in 1998 when Dirk Kempthorne vacated it to run for Idaho governor. Crapo was elected with 70% of the vote, and became the first member of the Church of Jesus Christ of Latter-day Saints to represent Idaho in the Senate. In 2004, he defeated his only opponent, write-in Democratic candidate Scott McClure, with 99% of the vote. He was reelected in 2010, 2016, and 2022.