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
Scott Dorsey stepped down as chief executive officer of Salesforce ExactTarget Marketing Cloud in May 2014. Dorsey was born in Northeast Ohio and grew up in Naperville, Illinois. He attended Indiana University and received a Bachelor's in Marketing from the Kelley School of Business. He later went on to receive his MBA from the Kellogg School of Management at Northwestern University in 1999. Dorsey, Baggott, and McCormick co-founded ExactTarget in late 2000. In 2004, ExactTarget raised $10.5 million from Insight Venture Partners and grew to $31.2 million in revenues by 2006 before filing to go public in December 2007. In May 2009,