Toni Preckwinkle

Toni Preckwinkle (née Reed; March 17, 1947) is an American politician. She 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 being re-elected as alderman four times.
On September 20, 2018, Preckwinkle announced her candidacy for Mayor of Chicago in the 2019 election to replace Rahm Emanuel. She advanced to the runoff election on April 2. She was defeated by Lightfoot by nearly 50%.