Biagi, in collaboration with his partner Jill Burkee, has designed and continues to fabricate commissioned works which can be found in museum and private collections: Monte Senario, Florence; Museum della Resistenza, Stazzema; Museo dei Bozzetti, Pietrasanta; The British Museum, London; Annenberg Estates; and the Gianmaria Buccellati Foundation, Milan. He served as Editor-In-Chief of Sculpture Review magazine for several years.