Bret Taylor (@btaylor) — Twitter Score 242 out of 1000

Bret Taylor is an AI and software entrepreneur who co-founded Sierra, an enterprise AI agent platform. Bret Taylor's Twitter Score is 242 out of 1000 (an Excellent rating) as of September 2026, ranking #1,642 (top 0.5%) among 486,860 tracked accounts.

Bret Taylor co-founded Sierra, which builds custom AI agents for enterprise customer service. Per reporting, Sierra raised $175 million led by Greenoaks Capital at a $4.5 billion valuation in October 2024, and was subsequently reported in November 2025 as valued at $10 billion following a $350 million raise. Bret Taylor also serves as Chair of the OpenAI Foundation board and as a board member of Shopify.

Bret Taylor co-founded Quip, which was acquired by Salesforce in 2016 for an estimated $750 million, and co-founded FriendFeed, which was shut down in 2015. He previously served as co-CEO of Salesforce, stepping down on January 31, 2023, and previously worked at Facebook as CTO. He was formerly chairman of Twitter, Inc., a role that ended when the acquisition by Elon Musk closed in October 2022. Bret Taylor previously worked at Benchmark Capital as Entrepreneur in Residence.

Bret Taylor has published 6,666 posts on the platform and has 160,699 followers as of September 2026. He has been mentioned by 257 accounts, with 888 total mentions.

Who follows Bret Taylor on X?

The accounts that follow Bret Taylor include 1,114 founders, 341 angel investors, 141 influencers and 27 VCs, among them Balaji, Brian Armstrong, Chris Dixon, Marc Andreessen, Nikita Bier and jesse.base.eth.