Jonathan Stray is a Fellow at the Tow Center for Digital Journalism at Columbia University, where he teaches computational journalism. He leads the Overview Project, a Knight News Challenge-funded visualization system to help investigative journalists make sense of very large document sets. Formerly he was an interactive editor at the Associated Press, a freelance reporter in Hong Kong, and a senior computer scientist at Adobe Systems. He has contributed stories to The New York Times, ProPublica, Foreign Policy, Wired and China Daily. He has an MSc in computer science from the University of Toronto and an MA in journalism from the University of Hong Kong.