Who we are and why we're here.
About Sierra.

Sierra helps businesses build better, more human customer experiences with AI.
By partnering with industry leaders, we’re transforming customer experiences, pushing the boundaries of applied AI, and delivering measurable business impact at scale.
Our founders
Sierra was co-founded by Bret Taylor and Clay Bavor, who first met while working together at Google. With decades of experience shaping groundbreaking innovations for the world’s top tech companies, they set out to redefine what AI assistance can be.

Bret Taylor
Bret is Co-Founder of Sierra. Most recently, he served as Co-CEO of Salesforce. Prior to Salesforce, Bret founded Quip and was CTO of Facebook. He started his career at Google, where he co-created Google Maps. Bret serves on the board of OpenAI.
Clay Bavor
Clay is Co-Founder of Sierra. Previously, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google’s AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace.
Our customers
Our offices
Based in New York, Atlanta, London, and San Francisco, where it all began, we continue to grow and collaborate as a unified team.


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See what Sierra can do for you.
Find out how Sierra can help your business build better, more human customer experiences with AI.