Marina Walker Guevara

Marina Walker Guevara is ICIJ’s deputy director. A native of Argentina, she has reported from a half-dozen countries and her investigations have won and shared more than 15 national and international awards, including from Investigative Reporters and Editors, Overseas Press Club and the Society of Professional Journalists. Over a 15-year career, she has written about environmental degradation in Latin America by multinational corporations; shadowy U.S. government HIV/AIDS prevention programs in Africa, the global black market in endangered bluefin tuna and the cigarette mafia in the Tri-Border Area, among other topics. In March 2006 she was awarded the European Commission Lorenzo Natali Prize (Latin America and the Caribbean region) for her investigation about environmental damage caused in Peru by a U.S.-based mining company. 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.