News Summary

Sierra, an AI agent startup co-founded by Bret Taylor and Clay Bavor, has successfully raised $350 million in a funding round led by Greenoaks Capital, bringing its total valuation to $10 billion. This funding round is part of Sierra’s ongoing efforts to expand its customer service AI agents used by companies like SoFi, Ramp, and Brex. Founded in early 2024, Sierra has rapidly gained traction, securing hundreds of customers in just 18 months. The company has raised a total of $635 million to date, with significant contributions from investors such as ICONIQ and Thrive Capital. Sierra plans to launch its second year of the APX program, offering technical graduates a chance to work on product launches and agent engineering, reflecting the founders’ early career experiences at Google.