Bruno Decaris, finished his architecture studies at l'Ecole Nationale Supérieure des Beaux Arts, in1974. He has been teacher at La Défense School of Architecture, Notre Dame University, and l´Ecole nationale supérieure d'architecture de Paris-Malaquais. Since 1984 is Chief Architect for Historical Monuments in France.
Agnes Pontremoli, architect since 1974 by l'Ecole Nationale Supérieure des Beaux Arts, works in association with Bruno Decari since 1979 at the OPUS 5 Atellier.
They are experts in old buildings interventions. They have done lots of rehabilitation and restauration projects including the Falaise Castle, Ardenne Abbey. They won in 2010 the Architecture Bretagne Prize, because of the House at Belle-Ile.