Twitter CEO Jack Dorsey is stepping down as chief of the social media company, effective immediately. Parag Agrawal, Twitter's chief technology officer, will take over the helm, the company said ...

SAN FRANCISCO, Calif. — Jack Dorsey has stepped down from his role as the Chief Executive Officer of Twitter. The 45-year-old businessman announced in a tweet Monday that he has resigned. He included ...

The Board of Directors has unanimously appointed CTO Parag Agrawal as CEO and a member of the Board, effective immediately, according to a company statement and Dorsey will remain a member of the ...