Michael Hardt teaches at Duke University, where he is director of the Social Movements Lab.
Antonio Negri has taught at the University of Padua and University of Paris VIII.
They are best known for the Empire trilogy: Empire (2000), Multitude (2004), and Commonwealth (2009). They are also authors most recently of Declaration (2012). Both contributed introductions to 19&20: Notes for a New Social Protagonism on the Argentinean uprising of 2001, copublished by Common Notions.