Latest in Dick Costolo

You just knew this cat would find a gig somewhere. Three-plus months after stepping down as CEO of Twitter, Dick Costolo is set as a consultant on the upcoming third season of HBO’s comedy Silicon Valley. It’s a milieu with which he’s somewhat familiar, having joined the San Francisco-based microblogging concern in…

Dick Costolo, who joined Twitter in 2009, is stepping down as its CEO at month’s end. The 140-character company said today that Jack Dorsey, its chairman and co-founder, will take over as interim chief executive July 1 as Twitter looks for a permanent CEO. Meanwhile, Costolo will remain on Twitter’s board. The company…

Twitter’s own platform was partly to blame for the afternoon chaos that sent its share price tumbling. The company stopped trading on its shares after its Q1 financial results — due to be released after the market closed — were tweeted by research firm Selerity. The share price fell 5.8% before trading was halted. Its…

It was a fabulous quarter for Twitter, doubling earnings and send share prices up sharply in after-hours trading, but some concerns remained on the horizon as the online giant continues to report challenges in attracting new users. The company said Q4 revenues were $479 million, almost double the same period last year…