Dianne Goldman Berman Feinstein is the senior U.S. Senator from California, having held office as a senator since 1992. She is a member of the Democratic Party. Senator Feinstein holds a number of "firsts"; she was the first female President of the San Francisco Board of Supervisors, San Francisco's first and, to date, only female mayor, the first woman to serve in the Senate from California, one of two female Jewish senators, the first woman to serve on the Senate Judiciary Committee, and the first woman to chair the Rules and Administration committee of that body.