John Carreyrou. Paris France). Franco-American journalist who has worked for The Wall Street Journal since 1999 from different cities such as Brussels, Paris and New York, and who has won the Pulitzer Prize twice. In 2008 he was appointed head of the Office of Health and Science in New York. Along with a team from the Journal, Carreyrou won the Pulitzer in 2003 for a series of stories that exposed several corporate scandals in the United States. That same year he won the Junior Peter R. Weitz Award from the German Marshall Fund for his excellence in reporting on European affairs and for his coverage of the downfall of Vivendi Universal SA and its president, Jean-Marie Messier. In 2004 he won the Peter R. Weitz Senior Prize from the German Marshall Fund and in 2015 he won for the second time the Pulitzer Prize and the Gerald Loeb Prize for Research, again together with a team of Journal reporters for Medicare Unmasked, a project that compelled the US government to release important Medicare data that had been kept secret for decades, revealing numerous abuses that cost taxpayers billions. In 2016 he won the George Polk Award for journalism in the 2015 Financial Reporting category, and the Gerald Loeb Award for Investigative Journalism.