Jack Dorsey Chairman after Dick Costolo replaced Williams as the CEO. On June 10, 2015, Costolo announced that he was resigning as CEO of Twitter, effective July 1, 2015. Dorsey would assume the post of Interim CEO upon Costolo's departure. He was named permanent CEO of Twitter on October 5, 2015. On the day after the controversy about Twitter's new algorithms for tweets, Dorsey responded to the trend, saying it was only a hoax. In May 2016, Dorsey announced that Twitter would not count photos and links in the 140-character limit to free up more space for text. This move was an
Ken Dorsey Dorsey was sent into the game against the Indianapolis Colts after Derek Anderson was injured; he completed two passes, one incomplete, the other an interception. On December 2, Derek Anderson was put on injured reserve ending his season. Dorsey was named the starter for the remainder of the 2008 season. However, Dorsey was injured during the December 21 game that was against the Bengals. Fourth string quarterback Bruce Gradkowski started in place of Dorsey in week 17 against the Pittsburgh Steelers. Dorsey was released by the Browns on February 9, 2009. For a brief time, Dorsey was the quarterbacks coach