Bret Taylor's Startup Soars to $4.5B Valuation

Bret Taylor’s AI startup Sierra has surged to a $4.5 billion valuation, up from $1 billion earlier this year, with a fresh $175 million funding round led by Greenoaks Capital. This significant valuation increase comes as Sierra, co-founded by former Salesforce co-CEO Bret Taylor and former Google executive Clay Bavor, seeks to redefine customer service with advanced AI agents tailored to reflect each brand’s unique voice.

Taylor, who also chairs OpenAI’s board and previously helmed Twitter’s board during Elon Musk’s acquisition, brings extensive tech expertise to Sierra. He co-founded the company with Bavor, a long-time Google veteran who spearheaded the company’s virtual reality division and led Google Labs. Sierra’s objective is to bridge the gap in customer service across a broad range of industries. Current clients include household names such as ADT, Sonos, Weight Watchers, and Casper, which use Sierra’s AI to create customer service agents that align with their brand identity and enhance customer experience.

“We think every company in the world, whether it’s a technology company or a 150-year-old company like ADT, can benefit from AI, and the technology is ready right now,” Taylor told CNBC, adding that Sierra’s focus is not just on domestic expansion but also international markets.

Unlike conventional chatbots, which Taylor describes as “annoying” and “robotic,” Sierra is committed to creating conversational agents that feel empathetic and genuine. Taylor even banned the term “chatbot” from Sierra’s downtown San Francisco headquarters to emphasize the distinction. His goal is to offer clients conversational AI that can reflect brand values. “We really think that your conversational AI agent should be not only transactional but a brand ambassador,” Taylor explained. “It’s actually a statement of your values. Do you want to be sarcastic? Use emoji? Sound like text messaging, or more like a lawyer?”