Interesting Fact: The founder of Slack Technologies also founded Flickr.
Image source: commons.wikimedia.org
CEO: Stewart Butterfield
Product: Collaborative Software
Founded by Stewart Butterfield, Eric Costello, Cal Henderson & Serguei Mourachov in 2009
Headquarters: San Francisco, California
Market Cap: $5.1 billion
This Canadian software firm’s main management team members came from a company called Ludicorp, which built the popular Flickr website. Thanks to some angel funding (partially from Accel Partners), back when the company was still called Glitch. Glitch failed and was renamed Slack Technologies in 2014 – when it became the popular real-time collaboration platform used all over the world today.