John Carreyrou

Biography

John Carreyrou is an American investigative reporter at The New York Times. He worked at The Wall Street Journal from 1999 to 2019, spending 20 years with the newspaper. His reporting career has included postings in Brussels, Paris, and New York City, and he has won the Pulitzer Prize twice.

Through a series of articles published in The Wall Street Journal, Carreyrou helped expose fraudulent practices at Theranos, a multibillion-dollar blood-testing company. He also wrote the nonfiction book Bad Blood: Secrets and Lies in a Silicon Valley Startup, published in 2018. The book recounts the rise and fall of Theranos under Elizabeth Holmes and won the 2018 Financial Times and McKinsey Business Book of the Year Award.

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