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AI Customer Service Agents

Business & Markets · Startups

Sierra Announces $350M in Funding at $10B Valuation to Expand AI Customer Service Agents

Sierra, the enterprise AI agent startup founded in 2024 by Bret Taylor and Clay Bavor, has secured a $350 million funding round led by Greenoaks Capital, valuing the company at $10 billion. The latest

5 Sep 2025 · 1 min read

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