Slack leadership

Stewart Butterfield

Co-founder and CEO

Cal Henderson

Co-founder and Chief Technology Officer

Allen Shim

Chief Financial Officer

Tamar Yehoshua

Chief Product Officer

David Schellhase

General Counsel

Julie Liegl

Chief Marketing Officer

Robert Frati

Senior Vice President of Sales & Customer Success

Allan Leinwand

Senior Vice President of Engineering

Robby Kwok

Senior Vice President, People

Ali Rayl

Vice President of Customer Experience

Brad Armstrong

Vice President, Business Development and Corporate Development

Christina Kosmowski

VP, Global Head of Customer Success and Services

Board of Directors

Andrew Braccia

General Partner, Accel Partners

Stewart Butterfield

Co-founder and CEO, Slack

Edith Cooper

Former Global Head of Human Capital Management, Goldman Sachs

Sarah Friar

CEO, Nextdoor

Sheila Jordan

CIO & SVP, Symantec

Mike McNamara

Former CEO, Flex

John O’Farrell

General Partner, Andreessen Horowitz

Graham Smith

Former CFO, Salesforce