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AI Customer Agents

Business & Markets · Startups

Sierra Secures $950M at $15B Valuation to Become Global Standard for AI Customer Agents

Sierra, the enterprise AI agent platform founded by Bret Taylor, is raising $950 million led by Tiger Global and GV, pushing its post-money valuation above $15 billion. Taylor, who also chairs OpenAI and previously

5 May 2026 · 1 min read

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