OpenAI’s New CEO Spent Decade Trying to Rein In Abuse at Twitch

Emmett Shear, OpenAI’s interim chief executive officer, led the Twitch livestreaming site for more than a decade, building a burgeoning business, but he struggled to keep misogynists, racists and even pedophiles from running rampant on the video service.

The computer scientist helped transform a niche video-game streaming company into an entertainment giant — one that Amazon.com Inc. purchased for $970 million in 2014. From former executives, he gets high marks for his focus on growth, making Twitch the go-to service for livestreaming and gaming culture, and for ferreting out some of the abuses at an internet business built on user-generated content. ...