FOUNDER ORIGIN FOUNDER UNITED KINGDOM IRAQ DAVID HINDAWI MARKET VALUATION CAL HENDERSON $5B $5B COMPANY BIO ove The leading global Co-founder and CTO r collaboration hub, Slack of Slack, Henderson makes people’s working also led the log lives simpler and more technical os productive. It brings the development of to right people together with Flickr. He has a all the right information, and degree from the HOVER and CLICK ranges from Fortune 100 University of Central over logos to view interactive profiles companies to startups. England.