He says Twitter did the right thing. Do you agree?
Many of Twitter's high-profile former execs are now in health care.
Former Twitter CEO Dick Costolo, Chorus CEO and Index Ventures mentor, discusses the social media giant's quarterly earnings and how it compares to Facebook.
"I do tend to take the more pessimistic view that it will be hard to keep general AI in a box," Dick Costolo says.
People in Silicon Valley are "concerned about the kind of discourse we're hearing about technology and business," former Twitter CEO Dick Costolo said.
Elon Musk "may be proof that time travel exists," says the ex-Twitter CEO, in praising the former's ability to multitask.
Costolo served as Twitter CEO from 2010 until he stepped down two years ago.
The creators of 'Silicon Valley' have a lengthy list of experts to help guide them, including Snap CEO Evan Spiegel.
Snap's Evan Spiegel will take just a $1 salary following the company's IPO, but he made more than $2 million last year.
Twitter's Adam Bain became the latest top executive at the social media company to hit the exits.
Twitter's stock fell as much as 3 percent as a recent board meeting seemed to do little to clarify market chatter.
Dick Costolo said media companies that provide sports on TV are not immune to cord cutters as more find alternatives in streaming.
Twitter has suspended an additional 235,000 accounts since February for violating a policy related to the promotion of terrorism.
The move would potentially let millions of Apple TV users watch the streaming N.F.L. games, The New York Times reports.
Former CEO Dick Costolo fires back at criticism of Twitter's trust and safety policies after articles slammed them.
Another year, another Twitter CEO in the red chair answering the exact same question: how long do you have to turnaround this company?
Silicon Valley's glitterati are flying south for the third annual Code Conference 2016. What to expect this year.
Ex-Twitter CEO Dick Costolo says his years running Twitter through its IPO helped him discover an interest in this realm.
Former Twitter CEO Dick Costolo announced that he is launching a new startup on Tuesday that will focus on wellness.
Dick Costolo, former CEO of Twitter, shares candid advice with Stanford students at Cardinal Ventures' campus pitch day.