Mark is a Co-Founder and the CEO of Descartes Labs. Prior to Descartes Labs, Mark was CEO at Zite, a personalized news app. He sold Zite twice – first to CNN in August 2011 and then to Flipboard in March 2014. Before that, Mark worked as a product manager at Bing, Powerset (sold to Microsoft), Kosmix (sold to Walmart), SideStep (sold to Kayak), and SAP. Mark studied philosophy at Stanford University.