Degree in Philosophy, University of Victoria; MPhil, University of Cambridge. In nearly two decades working on the web, has had a career as a designer, entrepreneur, and technologist. 2003-05, co-founded and led Flickr, an image and video hosting website, through its acquisition by Yahoo! By 2008, it was heralded as s one of the largest web services in the world with over 50 million users and billions of photos. Co-Founder and Chief Executive Officer, Slack, the platform for team communication used by 2 million people every day. Slack's vast array of customers includes NASA's Jet Propulsion Laboratory, Deloitte, Buzzfeed, and the US Department of State. Named: one of Time Magazine’s 100 Most Influential People in the World; one of BusinessWeek's Top 50 Leaders; Vanity Fair’s New Establishment List. Academic interests in cognitive science, the history and philosophy of science, and economics.