Bret Taylor’s Sierra raises $350M at a $10B valuation

Tomas Kauer - Moderator

Sep 5, 2025 - 12:06

Bret Taylor’s Sierra raises $350M at a $10B valuation

Customer service AI agent startup Sierra claims to have hundreds of customers, including SoFi, Ramp, and Brex, among others.

Tomas Kauer - Moderator www.tomaskauer.com

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