Didier Debaise is a permanent researcher at the Fonds National de la Recherché Scientifique (FNRS) and the director of the Centre of Philosophy at Free University of Brussels (ULB) where he teaches contemporary philosophy. He is the co-founder, with I. Stengers, of the Groupe d’études constructivistes (Geco). His main areas of research are contemporary forms of speculative philosophy, theories of events, and links between American pragmatism and the French contemporary philosophy. He is director of a collection in Presses du réel, member of the editorial board of the journal Multitudes and Inflexions. He wrote three books on Whitehead’s philosophy, edited volumes on pragmatism, on the history of contemporary metaphysics, and he wrote numerous papers on Bergson, Tarde, Souriau, Simondon, and Deleuze. Two of his books are translated in English: Nature as Event and A Speculative Empiricism. He is working on a new book called Pragmatique de la terre.