14 Facts About John Carreyrou

John Carreyrou is a French-American investigative reporter at The New York Times.

John Carreyrou won the Pulitzer Prize twice and is well known for having exposed the fraudulent practices of the multibillion-dollar blood-testing company Theranos in a series of articles published in The Wall Street Journal.

John Carreyrou was born to French journalist Gerard Carreyrou and an American mother.

John Carreyrou covered French politics and business, Spain, and Portugal.

In late 2015, spurred by a deep investigation carried out by Eleftherios Diamandis, John Carreyrou began a series of investigative articles on Theranos, the blood-testing start-up founded by Elizabeth Holmes, that questioned the firm's claim to be able to run a wide range of lab tests from a tiny sample of blood from a finger prick.

In 2021, John Carreyrou released a podcast called "Bad Blood: The Final Chapter" covering the trial of Elizabeth Holmes.

In early 2023 John Carreyrou joined The New York Times as an investigative reporter.

In 2003, John Carreyrou shared the Pulitzer Prize for Explanatory Reporting with a team of Wall Street Journal reporters for a series of stories that exposed corporate scandals in America.

John Carreyrou co-authored the article Damage Control: How Messier Kept Cash Crisis at Vivendi Hidden for Months, published Oct 31,2002.

In 2003, Carreyrou won the German Marshall Fund's Peter R Weitz Junior Prize for excellence in reporting on European affairs for his detailed coverage of the downfall of Vivendi Universal SA and its chairman, Jean-Marie Messier.

In 2004, Carreyrou shared the German Marshall Fund's Peter R Weitz Senior Prize for excellence in reporting on European affairs with a team of six Wall Street Journal journalists.

In 2015, John Carreyrou shared the Pulitzer Prize for Investigative Reporting and the Gerald Loeb Award for Investigative with a team of investigative reporters at The Wall Street Journal for "Medicare Unmasked", a project that forced the American government in 2014 to release important Medicare data kept secret for decades, and in a sweeping investigative series uncovered abuses that cost billions.

John Carreyrou co-authored four articles in the series: Taxpayers face big tab for unusual doctor billings, A fast-growing medical lab tests anti-kickback law, Doctor 'self-referral' thrives on legal loophole and Sprawling medicare struggles to fight fraud.

In 2016, John Carreyrou received the 67th annual George Polk Awards in Journalism for Financial Reporting in 2015, and the Gerald Loeb Award for Beat Reporting.