Barbara Boxer (born November 11, 1940) is an American politician. She was the United States Senator from California from 1993 to 2017. She is a member of the Democratic Party and has been on the senate since January 1993.
Before that, she was in the United States House of Representatives. She was also on the Board of Supervisors of Marin County, California.
In January 2015, Boxer announced she will not be running for re-election in the 2016 senate elections and also announced her retirement from politics. California Attorney General Kamala Harris was elected to replace her.