Rafael de Magrou is an architect, architectural historian, and a lecturer at the Ecole Nationale Superieure d'Architecture Paris-Malaquais. He also works as a writer and curator. Founded in 2002 by Vincent Baur, Guillaume Colboc, and Gael Le Nouene, Ateliers O-S Architectes is a Paris-based architectural firm working on a range of projects, from temporary installations to urban and cultural commissions.