"It's the only reason that I have a career — because I learned so much from people like who are building bitcoin today," Dorsey said.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Tesla CEO Elon Musk has subpoenaed his ...

SAN FRANCISCO -- Twitter CEO Jack Dorsey's account was hacked, and whoever broke in sent racist and vulgar tweets to his 4.2 million followers. Some of the tweets were up for about 30 minutes before ...

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 ...

Old Vine logo and Jack Dorsey, the creator and cofounder of Twitter. (Photo illustration: Yahoo News; photos: Vine, Joe Raedle/Getty Images) Vine is coming back — sort of. Former Twitter CEO Jack ...

SAN FRANCISCO, Calif. – Twitter CEO Jack Dorsey is defending the social network’s decision to ban President Donald Trump, but says he doesn’t “celebrate or feel pride” in doing so. In a string of ...

Twitter CEO Jack Dorsey found himself back pedaling after tweeting about using Chick-fil-A's mobile app, saying he'd forgotten about the fast-food chain's history of opposing gay marriage. Dorsey ...

Today, 37-year-old Parag Agrawal is Twitter's CEO — the youngest among the S&P 500, edging out Mark Zuckerberg. But just 10 years ago he was an engineer at Twitter. Agrawal, who was announced as CEO ...