Jonathan Stray is a senior scientist at the Center for Human Compatible AI at University of California, Berkeley, where he works on the design of recommender systems for better personalized news and information. He previously taught the dual master’s degree in computer science and journalism at Columbia University, built several pieces of software for investigative journalism, worked as an editor at the Associated Press, and developed graphics algorithms for Adobe. He holds an M.S. in computer science from the University of Toronto and an M.A. in journalism from the University of Hong Kong.