Slack leadership

Stewart Butterfield

CEO & Co-Founder

Cal Henderson

Co-founder and Chief Technology Officer

Allen Shim

Chief Financial Officer

Tamar Yehoshua

Chief Product Officer

David Schellhase

General Counsel

Nadia Rawlinson

Chief People Officer

Julie Liegl

Chief Marketing Officer

Sean Catlett

Chief Security Officer

Robert Frati

Senior Vice President of Sales & Customer Success

Allan Leinwand

Senior Vice President of Engineering

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

Jonathan Prince

VP, Communications & Policy

Megan Cristina

Chief Privacy Officer

Brian Elliott

VP, Future Forum

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

Chief Digital Technology Officer, Honeywell

Mike McNamara

Former CEO, Flex

John O’Farrell

General Partner, Andreessen Horowitz

Graham Smith

Former CFO, Salesforce