- Katie Elizabeth Britt (née Boyd; born February 2, 1982) is an American politician and attorney who is the junior United States senator from Alabama since 2023. A member of the Republican Party, Britt is the first woman to be elected to the U.S. Senate from Alabama and the youngest Republican woman ever elected to the Senate. She was president and CEO of the Business Council of Alabama from 2019 to 2021, and was chief of staff for her Senate predecessor, Richard Shelby, from 2016 to 2018.