 At the beginning of 2000, Boissiere was a coordinator for Jean Nouvel's Morat site for the Expo.02 in Switzerland.Along with Federico Mazzoto he also coordinated Nouvel's project for Piazza Arnolfo in Colle d'Elsa, featuring artists Daniel Buren, Lewis Baltz, Alessandra Tesi, Bertrand Lavier.Following up Nouvel's projects for the Guggenheim Foundation, directed by Thomas Krens, he visited Baku and The Republic of Azerbaidjan, Rio de Janeiro and Oscar Niemeyer's office, and was granted private visits of the Hermitage in Saint Petersburg and the Kunsthistorisches Museum in Vienna.