Antonio Ramon Villaraigosa is the mayor of Los Angeles, California. He is the first Latino mayor of Los Angeles since Cristobal Aguilar in 1872. Villaraigosa was elected mayor of Los Angeles in a run-off election on May 17, 2005, in which he defeated incumbent mayor James Hahn. Prior to his service as mayor, Villaraigosa was the California State Assemblyman for the 45th District, the Speaker of the California State Assembly, and the Los Angeles City Councilman representing the 14th District. Before being elected to public office, Villaraigosa had a long career as a labor organizer. In 2007, Villaraigosa’s marital troubles and affair with a television reporter covering City Hall made national headlines. Villaraigosa also serves as one of four national co-chairmen of Hillary Rodham Clinton’s 2008 Presidential campaign.