Emmett Shear’s sudden appointment as OpenAI CEO late Sunday puts him at the center of high-stakes drama within the company and in the world of artificial intelligence.

Shear, the co-founder of the popular videogame-livestreaming service Twitch, became OpenAI’s interim chief executive after the surprising and dramatic ouster of its former boss Sam Altman over the weekend.

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Original: WSJ.com: US Business: New OpenAI CEO Emmett Shear Lands at Center of High-Stakes AI Boom