Lenny's Podcast: Product | Career | Growth

Slack founder: Mental models for building products people love ft. Stewart Butterfield

November 20, 2025·1h 30m·6-min readconversationaltechnology
Podzilla Summary (6 min)
TLDR
Stuart Butterfield, co-founder of Flickr and Slack, shares deep product philosophy, leadership principles, and hard-won insights from building two iconic tech companies, emphasizing utility curves, product taste, friction as a design tool, and the emotional cost of pivoting.


**THE CONVER

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Guest

S

Stuart Butterfield

conversational on Lenny's Podcast: Product | Career | Growth

Mentions

Books, people, and resources mentioned in this episode.

People

Stuart ButterfieldLenny RachitskyJeff BezosRay Dalio

Books

Don't Make Me Thinkby Steve KrugThinking in Betsby Annie Duke

Companies

SlackFlickr

Topics

Artificial IntelligenceEntrepreneurshipFuture Of WorkLeadershipManagementProduct ManagementSoftware EngineeringStartups

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