Stewart Butterfield

Stewart Butterfield is the co-founder and CEO of Slack, the platform for team communication. Prior to Slack, Stewart co-founded and lead Flickr from its inception in late 2003 through its 2005 acquisition by Yahoo! and until 2008 by which point it was one of the largest web services in the world with over 50 million users and billions of photos.

In 2014, Stewart helped found Slack, a new category of software that changed the way we work by bringing together people, applications, and data to help teams do their best work. Since then, over 600,000 organizations in over 150 countries have turned to Slack to increase their organizational agility--making it the place to communicate, collaborate, and get work done.

In nearly two decades working on the web, Stewart has had a distinguished career as a designer, entrepreneur, and technologist. He has been named one of the “100 Most Influential People in the World” by Time Magazine, BusinessWeek‘s “Top 50 Leaders,” and been featured in interviews and articles by hundreds of publications and broadcasters, including the Wall Street Journal, the BBC, The New York Times, CNN, the Financial Times and has appeared on the cover of Newsweek magazine.

Butterfield graduated from the Universities of Victoria and Cambridge, with degrees in philosophy and retains academic interests in cognitive science, the history and philosophy of science, and economics.