Bret Taylor’s AI Startup Sierra Hits $4.5B Valuation Just A Year After Launch: OpenAI Chair’s Latest Venture Towers Over These Century-Old Brands

Sierra, the AI startup co-founded by former Salesforce co-CEO Bret Taylor, reached a valuation of $4.5 billion after raising $175 million in a recent funding round, positioning it as a leading AI company in enterprise customer service solutions.

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