Bret Taylor is Co-Founder of Sierra, an AI platform building conversational agents for customer service that reached $100M in annual revenue in under two years. He also serves as Chairman of OpenAI and is a board member of Shopify.

Bret graduated from Stanford with a BS and MS in Computer Science in 2003 and began his career at Google where he co-created Google Maps. He founded FriendFeed (acquired by Facebook for $50M), served as CTO of Facebook where he helped create the Like button, and founded Quip (acquired by Salesforce for $750M).

Bret served as Co-CEO of Salesforce alongside Marc Benioff, where he led the $27.7B acquisition of Slack. He also served as Chairman of Twitter's board during its acquisition by Elon Musk in 2022.

Sierra raised $635M total funding and reached a $10B valuation in September 2025, becoming one of the fastest-growing enterprise AI companies. The company serves hundreds of customers including WeightWatchers, SiriusXM, Sonos, Rivian, and ADT.

Sierra reached $100M ARR in just 21 months and is used by hundreds of millions of people for customer service interactions. Forbes confirmed Bret as a billionaire in November 2025, primarily due to his stake in Sierra.