Dick Costolo, the chief of Twitter, on the rooftop garden of the company’s new global headquarters in San Francisco. Long before the Twitter revolution and his ascent to the heights of social media, Mr. Costolo was a professional comedian. And he’s still doing improv — only it’s the business kind. He’ll wax on about growth and revenue like the next C.E.O. But then he’ll dig out a joke and do something that might hurt his business — and miff his investors — because, well, he thinks that something is the right thing to do.
Article source: http://www.nytimes.com/slideshow/2012/10/13/business/weekly-business-photos.html?partner=rss&emc=rss