Brandon Johnson is an American educator and politician serving as the 57th mayor of Chicago. A member of the Democratic Party, Johnson was elected mayor in April 2023. He previously served on the Cook County Board of Commissioners from 2018 to 2023, representing the 1st district.

The mayor of Chicago is the chief executive of city government in Chicago, Illinois, the third-largest city in the United States. The mayor is responsible for the administration and management of various city departments, submits proposals and recommendations to the Chicago City Council, is active in the enforcement of the city's ordinances, submits the city's annual budget and appoints city officers, department commissioners or directors, and members of city boards and commissions.