iO Theater

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1501 N. Kingsbury Ave
Chicago 60642
312-929-2401
Chicago’s historic comedy epicentre. Widely considered to be the premier venue for long-form improvisational performances and classes, the iO Theater (formerly known as the ImprovOlympic Theater) was founded in 1981 by Charna Halpern and the late great improvisational teacher and director, Del Close.
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