Curator and writer, he recently funded Radicants, a curatorial cooperative producing exhibitions worldwide. He was the Director of the MO.CO- MontpellierContemporain, he founded and Codirected the Palais de Tokyo, Paris, (1999 -2006). As an independant curator, he was part of the curatorial team of Aperto 1993 at the Venice Biennial, and organized many international exhibitions, from «Traffic» (Capc Bordeaux, 1996) to the more recently «Planet B. Climate change and the new sublime» (Venice, 2022). He also curated several biennials, including Lyon (2005), Moscou (2005 and 2007, with Rosa Martinez, Daniel Birnbaum, Joseph Backstein, Hans-Ulrich Obrist and Iara Boubnova), and «The 7th continent» (Istanbul biennial 2019). His theoretical essays include «Relational Aesthetics» (1998), «Postproduction» (2002), «Radicant» (2009), «The Exform» (2015) and «Inclusions. Aesthetics of the capitalocene» (2021/Sternberg Press, 2022).
His contribution to Polit(t)ico: