Toni Reed Preckwinkle (born March 17, 1947) is the current Cook County Board President and a former alderman in the Chicago City Council representing Chicago's 4th ward in Cook County, Illinois, United States. She was elected on November 2, 2010, as President of the Cook County Board, the Executive Branch of Cook County government. Preckwinkle first sought office in 1983 and was defeated twice before securing election in 1991 and subsequently being re-elected as alderman four times.