■ImpPerforming various kind of improv shows over 10 years.
One of the most popular and legendary comedy house.
They celebrate 50th anniversary in 2009.
■iO Theatre (Formerly ImprovOlympic) （CHICAGO）
Since 1981, many famous improvisers trained and performed here.
“Harold” which is one of the longform style has started here.
■The Chicago Improv Festival
It’s an international improv festival.
Every year, many improvisers come from various countries and give their performances.
Naomi, who is the artistic director, and ImproJapan members have also performed there many times.
Most popular improv group in Boston area. They’ve just got their own new theatre.
Exchange between ImproJapan and them have become active.
They came to Japan and performed improv show, gave workshops to Japanese students.
■Chicago City Limits（NY）
■Upright Citizens Brigade（NY）
■Los Angeles TheatreSports(LA)
■Bay Area Theatresports(SanFrancisco)
■SAK Comedy Lab(Florida)
■The Loose Moose Theatre (Canada/calgary)
Keith Johnstone developed this group.
Popular improv show styles such as “Theatre sports”、”gollila theatre”、”Micetro” originated here.
■YesAnd!com ( Improv information site)