Sierra, Led by OpenAI Chair Taylor, Raises $950M at $15B Valuation
Sierra, co-founded by OpenAI board chair Bret Taylor, raises $950M at $15B+ valuation — one of the largest AI funding deals of 2026. #AI #EnterpriseAI
Sierra, co-founded by OpenAI board chair Bret Taylor, raises $950M at $15B+ valuation — one of the largest AI funding deals of 2026. #AI #EnterpriseAI