Marina Walker Guevara is deputy director of the International Consortium of Investigative Journalists. A native of Argentina, her investigations have won and shared more than 25 national and international awards, including honors from Long Island University’s George Polk Awards, Investigative Reporters and Editors, Overseas Press Club, the Society of Professional Journalists and the European Commission. Over a 20-year career, she has written about environmental degradation by mining companies; the global offshore economy, and the illicit tobacco trade, among other topics. Recently, she co-managed the Panama Papers investigation, one of the biggest leaks in journalistic history, which involved more than 370 reporters in 76 countries. Her stories have appeared in various international media including The Miami Herald, The Washington Post, Le Monde and the BBC. She graduated magna cum laude from Universidad Nacional de Cuyo in Mendoza, Argentina, with a bachelor’s degree in communication sciences, and earned a master’s degree in journalism from the University of Missouri.