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Stewart Butterfield: Profile, Experience & Investments | Startup Intros

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§ Investor Profile

Stewart Butterfield

Updated:Apr 2, 2026

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Quick Facts

Role: CEO & Co-founder
Company: Slack
Status: Active
Type: Investor

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Recent News & Mentions

Aug 1, 2018FundingSlack - Series H Sep 1, 2017Funding

Slack - Series G

Jul 26, 2017FundingSlack - Other Equity

Apr 1, 2016FundingSlack - Other Equity

Mar 1, 2016FundingSlack - Series F

Apr 1, 2015FundingSlack - Series E

Oct 31, 2014FundingSlack - Other Equity

Oct 1, 2014FundingSlack - Series D

Apr 25, 2014FundingSlack - Other Equity

Apr 1, 2014FundingSlack - Series C

Experience

CEO & Co-founderCurrent

Jan 2009 - Present

Frequently Asked Questions

Who is Stewart Butterfield?

Stewart Butterfield is CEO & Co-founder at Slack.