NEW YORK - Twitter co-founder Jack Dorsey, who was the social platform's first CEO in 2007 until he was forced out the following year, then returned to the role in 2015, is once again out of the job — ...

Twitter and Block cofounder Jack Dorsey balanced running both companies with a rigorous routine. Dorsey's routine included meditating, doing 7-minute workouts, and making to-do (and not-to-do) lists.

Twitter Inc. co-founder Jack Dorsey is stepping down as chief executive. The San Francisco-based company announced the news Nov. 29. Twitter Chief Technology Officer Parag Agrawal will replace Dorsey, ...