Sierra raises $950 million, valuing the company at $15 billion post-money.

Sierra, an AI startup founded by Brett Taylor, recently announced the completion of a $950 million funding round led by Tiger Global and GV. This funding brings Sierra's valuation to over $15 billion. Sierra stated that it will use the funds to become the "global standard" for AI-driven customer experiences. The company already has over 40% of Fortune 50 companies as clients, and its AI Agent is handling billions of interactions.