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Bret Taylor

Co-founder, Sierra

Known asAmerican entrepreneur (born 1980)
RolesCo-founder, Sierra
EducationStanford University
LinksWikipedia · sierra.ai

About Bret Taylor

Bret Taylor is a co-founder of Sierra.

Sierra: Customer-service AI agents.

Bret studied at Stanford University.

Today Sierra ranks #97 of 144 on the AGIX Leaderboard, with 3 research roles open. It's one of the companies shaping how general-purpose AI gets built, and Bret is part of that story.

Facts from public company information, Wikipedia and Wikidata; lab figures from AGIX data, 2 Nov 2026. Bret, or someone who works with them? Suggest an update.

Also at Sierra

Sierra at a glance