Charna Halpern

Charna Halpern
Born	Chicago, Illinois, U.S.
Occupation	Improvisation teacher/writer
Years active	1980–present

Charna Halpern (born 1952) is a co-founder of the ImprovOlympic, now known as iO. She was born and raised in Rogers Park, Chicago on the north side of Chicago. In 1984, with partner Del Close, she began teaching Harold to many students in the Chicago theater community. She and Close co-authored the book Truth in Comedy: The Manual of Improvisation with editor Kim "Howard" Johnson in 1994. She published Group Improvisation in 2003 and Art by Committee in 2006.

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