Stewart Butterfield is a Canadian billionaire businessman, best known for co-founding the photo-sharing website Flickr and the team-messaging application Slack.
Butterfield was educated at St. Michaels University School in Victoria, British Columbia and made money in university designing websites.
He received a B.A. degree in philosophy from the University of Victoria in 1996 and went on to earn a Master of Philosophy from Clare College, Cambridge in 1998.
In the summer of 2002, he co-founded Ludicorp with Caterina Fake and Jason Classon in Vancouver. Ludicorp initially developed a massively multiplayer online role-playing game called Game Neverending.
Butterfield co-founded a new company called Tiny Speck in 2009. Tiny Speck launched its first project, the massively multiplayer game Glitch, on September 27, 2011.
In August 2013, Butterfield announced the release of Slack, an instant-message-based team communication tool, built by Tiny Speck while working on Glitch.
After its public release in February 2014, the tool grew at a weekly rate of 5 to 10 percent, with more than 120,000 daily users registered in the first week of August. Slack was named Inc. Magazine’s 2015 company of the year.
The company announced its initial public offering with an opening price of $38.50 and a market capitalization of US$21.4 billion in June 2019.
In December 2020, Salesforce confirmed plans to buy Slack for US$27.7 billion.
Butterfield announced his departure as CEO of Slack in December 2022 and left Salesforce early in January 2023.
What is Stewart Butterfield doing now?
Stewart Butterfield is the CEO and co-founder of Slack.