THR Share on Facebook Share on X Share to Flipboard Send an Email Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Print the Article Post a Comment An improv comic, an NHL player and a Fortune 500 CEO walk into a theater ... but it's no joke, it's big business. The Second City, the venerable Chicago-based improvisational comedy institution, has quietly built out a surprising side-hustle: Using the fundamentals and tactics of improv to teach corporate executives and professional athletes how to be better communicators.