Bret Taylor and Clay Bavor’s Sierra Raises $350M at $10B Valuation
Investors poured $350M into Sierra — Bret Taylor and Clay Bavor’s customer-service AI startup — valuing it at $10B. Led by Greenoaks, the round brings Sierra’s total funding to $635M. Founded in early 2024, the company says it already serves hundreds of customers including SoFi, Ramp and Brex. Sierra also launched year two of its APX rotational program for new grads, promising rapid product responsibility similar to Google’s early-career model.