Iván Ruiz, Argentina, is an investigative journalist who has been with La Nación newspaper for the past decade. He is a political correspondent who runs data-based investigations with the award-winning La Nación DATA team. Ruiz's work has been published in Spanish, British, Chilean, Colombian and Bolivian media, among other countries.His career as an investigative journalist began in 2012, when he unveiled a corruption scandal linked to the implementation of the contactless smart travel card in Buenos Aires (SUBE pass). A year later, in 2013, Ruiz won a Data Journalism Award for an investigation that combined thorough field work with analysis of public data to reveal irregularities in former Argentine vice-president Amado Boudou's Senate expenses.Ruiz was commissioned to work on the Argentine chapter of ICIJ's 2013 Offshore Leaks investigation for La Nación newspaper. In 2015 he investigated some 4,000 HSBC clients linked to Argentina as part of the Swiss Leaks investigation.His most acclaimed work to date is the investigation for the Panama Papers, where he co-led the Argentine team that discovered an offshore company belonging to President Mauricio Macri. As part of the investigation, La Nación published over 30 articles involving prominent figures that included the president's family, businessmen and public officials as well as sports personalities with links to offshore entities in Panama. The Panama Papers investigation won the Pulitzer Prize for Explanatory Reporting in 2017.In recent years Ruiz has been awarded several journalism grants by organizations such as Transparency International, Instituto de Prensa y Sociedad, European Journalism Centre and Google. Ruiz holds a bachelor's degree in journalism from Universidad del Salvador (Buenos Aires). In 2009 he completed a master's in journalism from Universidad Di Tella (Buenos Aires), and in 2013 completed a second master's degree in investigative journalism, data and visualisation at Universidad Rey Juan Carlos (Spain).