Journalist and co-founder of Mediapart.

Journalist in the weekly VSD, then in the newspaper Libération (1986-1994) where he was deputy director of the writing of the Politics section. Later he was a journalist at Le Monde (1995-2006) where he was deputy director of the Society section, correspondent in Moscow and editor in chief of the International section, successively. In 2007, he was deputy editor of the newsroom in the newspaper Marianne.

He is one of the founders of Mediapart in 2008 where he was editorial director for 10 years until 2018, when he became administrator of the Mediapart Publishing Society.