Michel Callon, developer (with Bruno Latour and others) of Actor Network Theory, is Professor at the �cole des mines de Paris and a Researcher at the Centre de Sociologie de l'innovation there.
Pierre Lascoumes is Director of Research at CNRS (Centre national de la recherche scientfique).
Yannick Barthe is a Researcher at CNRS (Centre national de la recherche scientifique) and a member of the Centre de sociologie de l'innovation.