William Singer is an American lawyer, politician, consultant, and lobbyist who the formerly served as a Chicago alderman, representing the 44th and 43rd wards during his aldermanic career. While on the Chicago City Council, Singer was an independent reformer tied to the lakefront liberals. He was an opponent of the political machine that was led by Richard J. Daley. He partnered with Jesse Jackson to successfully have Daley and his slate of delegates unseated as delegates to the 1972 Democratic National Convention and replaced by a slate of delegates backed by Singer and Jackson. This was the biggest political defeat Daley ever endured. In 1975, Singer forwent running for a third term on the City Council and instead, unsuccessfully, challenged Daley in the Democratic Party primary of the 1