Stewart Butterfield

Cofounder and CEO, Slack

$1.79B

as of 01/25/25

About Stewart Butterfield

Stewart Butterfield is the cofounder and CEO of team-based messaging software Slack.

In July 2021, cloud software giant Salesforce acquired Slack for $27.7 billion in cash and stock.

Butterfield departed Salesforce in December 2022, amid an exodus of executives at the software giant.

Butterfield and wife Jen Rubio, the founder of luggage startup Away, sold their San Francisco home in 2021 and moved to Aspen.

Though he leads a tech company, Butterfield proudly majored in philosophy as an undergraduate at Canada's University of Victoria.

Personal stats

Citizenship

Canada

Source of wealth

Messaging software

Residence

Aspen, Colorado

Marital status

Married

Birth date

03/21/73 (age 51)

Number of children

Education

Master of Philosophy, University of Cambridge; Bachelor of Arts/Science, University of Victoria

Self-made

self-made