Charna Halpern is the co-founder and Artistic Director of the iO Theater and has been teaching performers how to work together for more than 35 years. In 1984, with partner Del Close, she began teaching iO’s world-famous signature piece, ‘The Harold’ to many students in the Chicago theater community and hasn’t stopped since. Her theaters […]

Del Close

“The most famous person in comedy that nobody knows.” -Amy Poehler The life of Del Close is virtually a history of American improvisation. You may not recognize his name, but Del was at least partly responsible for a large percentage of what you probably think is insightful and funny, and was considered by many to […]


Check Out What Our Clients Have to Say About Working With Us! “Everyone on the team (~140 people!) raved about the event at iO! It was fun and uplifting and the iO team found a number of ways to tie the skills of improv to situations we all encounter in our everyday lives! Our group included […]