By Tess Bennett
Publication Date: 2026-03-23 09:00:00
He was chief technology officer at Facebook and chairman of Twitter. But Bret Taylor’s current performance may be his most consequential. As chairman of OpenAI, the Silicon Valley giant behind ChatGPT, Taylor is at the forefront of a wave of artificial intelligence that threatens to upend industries from technology and energy to financial services.
Then there’s his other company — the customer service agent startup Sierra, itself valued at $10 billion — where he’s struggling with the AI boom and is worried in the venture capital space that automation will seriously hurt the growth prospects of subscription software companies.
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