Sierra raised $950 million in a new funding round. Tiger Global and GV led the investment. Existing investors Benchmark, Sequoia, and Greenoaks also participated. This round values the AI startup at over $15 billion. Total capital raised now exceeds $1 billion.
Former Salesforce co-CEO Bret Taylor and ex-Google executive Clay Bavor co-founded the company. Sierra develops AI-powered customer service agents for enterprise clients.
Annual recurring revenue has surpassed $150 million. The company serves over 40% of Fortune 50 companies. Clients include Nordstrom and Cigna. New capital will fund expansion against major tech competitors and rival AI startups.