Pierre Rosanvallon

French intellectual and historian, named professor at the Collège de France in 2001. He holds there the chair in the modern and contemporary history of the political. His works are dedicated to the history of democracy, French political history, the role of the state and the question of social justice in contemporary societies. He is also director of studies at the École des hautes études en sciences sociales, where he led the Raymond Aron Centre of Political Researches between 1992 and 2005.

In 1982, he created the Fondation Saint-Simon think-tank, along with François Furet. The Fondation dissolved in December 1999. Since 2002, Rosanvallon is member of the Scientific Counsel of the French National Library, and has the same functions, since 2004, at the École Normale Supérieure of Paris.

In 2002, Rosanvallon created La République des Idées, an "intellectual workshop" over which he presides. The group publishes a review and books.