Benjamin Louis Cardin is an American lawyer and politician serving as the senior United States senator from Maryland, a seat he has held since 2007. A member of the Democratic Party, he was the U.S. representative for Maryland's 3rd congressional district from 1987 to 2007. Cardin served in the Maryland House of Delegates from 1967 to 1987 and as its speaker from 1979 to 1987. Cardin has never lost an election in his entire political career.
Cardin was elected as U.S. senator to succeed Paul Sarbanes in 2006, defeating Republican Michael Steele, the lieutenant governor of Maryland. He became Maryland's senior U.S. senator on January 3, 2017, upon Barbara Mikulski's retirement. Cardin won reelection in 2012 and 2018 and is set to retire on January 3, 2025.
