The Chicago Teachers Union is a labor union representing teachers in the Chicago public school system. It is an affiliate of the AFL-CIO and the American Federation of Teachers and has over 32,000 members. The current officers of the Chicago Teachers Union are: President Karen Lewis, Vice President Jesse Sharkey, Recording Secretary Michael Brunson, and Financial Secretary Kristine Mayle.
The Chicago Teachers Union has more than 30,000 teacher, paraprofessional and retiree members. The Union is Local 1 of the American Federation of Teachers, an Illinois Federation of Teachers affiliate and affiliated with the Chicago Federation of Labor and the AFL-CIO.