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Bret Taylor’s Sierra Raising Hundreds of Millions, Valued Over $4 Billion in Greenoaks-Led Round

Oct 10, 2024, 12:57 AM

Sierra, the AI agent startup founded by Bret Taylor, is reportedly close to raising hundreds of millions of dollars in a funding round led by Greenoaks Capital, which would value the company at over $4 billion. Sierra, which previously raised $100 million last year and $1 billion earlier this year, develops conversational AI agents capable of engaging with customers using service-specific context. Bret Taylor, known for his roles as the former CTO of Meta, CEO of Salesforce, and creator of Google Maps, is also the chair of OpenAI. The significant valuation reflects a massive revenue multiple for Sierra in the growing AI funding frenzy.