In 2014, alongside fellow journalists Matt Yglesias and Melissa Bell, Klein co-founded Vox"," a website for explanatory news owned by Vox Media. He served as the editor-in-chief, and later as editor-at-large. Klein also contributed articles to the website, hosted an associated podcast ("The Ezra Klein Show"), and worked as an executive producer for the Netflix TV show "Vox Explained." In November 2020, Klein announced he would be leaving "Vox" to join "The New York Times" as a columnist and podcast host.