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Slack

Slack is a cloud-based set of proprietary team collaboration tools and services, founded by Stewart Butterfield. Slack began as an internal tool used by thei...

Org chart

Stewart Butterfield
CEO & Founder
Stewart Butterfield
Stewart Butterfield
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Cal Henderson
Co-Founder & CTO
Cal Henderson
Robert Frati
SVP, Sales & Customer Success
Robert Frati
Allen Shim
CFO
Allen Shim
Julie Liegl
Chief Marketing Officer
Julie Liegl
Tamar Yehoshua
Chief Product Officer
Tamar Yehoshua
Robby Kwok
SVP People
Robby Kwok
David Schellhase
General Counsel
David Schellhase
Kris Cordle
Chief of Staff, Office of the CEO
Kris Cordle

Board & Advisors

Andrew Braccia
Director
Andrew Braccia
Edith Cooper
Director
Edith Cooper
Graham Smith
Director
Graham Smith
John O’Farrell
Director
John O’Farrell
Mike McNamara
Director
Mike McNamara
Sarah Friar
Director
Sarah Friar
Sheila B. Jordan
Director
Sheila B. Jordan
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