Stewart Butterfield (@stewart) — Twitter Score 231 out of 1000

Stewart Butterfield is a technology entrepreneur who co-founded Slack Technologies and Flickr, two products that reshaped workplace communication and online photo sharing. Stewart Butterfield's Twitter Score is 231 out of 1000 (an Excellent rating) as of October 2026, ranking #1,793 (top 0.5%) among 497,973 tracked accounts.

Stewart Butterfield also co-founded Ludicorp and Tiny Speck, the latter being the studio whose internal communications tooling became the foundation for Slack Technologies. Flickr itself originated as a photo-sharing feature within a gaming project before being acquired by Yahoo for $35 million in March 2005, according to TechCrunch, where Stewart Butterfield previously worked at Yahoo as general manager of Flickr. Stewart Butterfield previously served as CEO of Slack Technologies, guiding it through a direct stock listing filed on April 26, 2019, which Axios reported followed roughly $1.2 billion in private funding from backers including Accel, Andreessen Horowitz, Social Capital, SoftBank, Google Ventures, and Kleiner Perkins.

Stewart Butterfield was formerly affiliated with Salesforce, which announced on December 1, 2020 that it would acquire Slack Technologies for $27.7 billion in cash and stock. Axios reported in December 2022 that Stewart Butterfield would depart early the following month, succeeded as Slack CEO by Lidiane Jones. Stewart Butterfield's account has published 12,388 posts and has 133,313 followers as of October 2026. Stewart Butterfield has been mentioned by 616 accounts, with 1,911 total mentions.

Who follows Stewart Butterfield on X?

The accounts that follow Stewart Butterfield include 1,142 founders, 337 angel investors, 118 influencers and 55 VCs, among them Balaji, Brian Armstrong, Chris Dixon, Marc Andreessen, Nikita Bier and jesse.base.eth.