Galeazzo Alessi was an Italian architect from Perugia. He was known for his distinctive style based on the ancient architecture. Under the direction of Giovanni Battista Caporali he studied drawing for civil and military architecture. For years he lived in Genoa. He was involved in the restoration of the city walls and the lay-out of the streets and also he was responsible for many of impressive palazzi. In many Italian cities his work can be found, for example in Ferrara, Bologna, Naples. In Milan he designed the facade of Santa Maria presso San Celso. He designed the Basilica of Santa Maria degli Angeli in Assisi together with Vignola, the seventh largest Christian church at the time. Throughout Europe, he designed palaces and churches in France, Germany and Flanders. He lay-outed designs for El Escorial in Spain.

Important works

Rocca Paolina, remodelling
Loggia at the Oratorio di S. Angelo della Pace
S. Maria del Popolo (Camera di Commercio)
Loggia for the Palazzo dei Priori, remodelling
Convent of Santa Giuliana (S. Caterina)
Portale of the Villa del Leone
Doorway in the southern flank of the Duomo
Works for San Pietro
Basilica of Santa Maria degli Angeli
Tabernacle of San Francesco
Works in the Cathedral of San Rufino
Villa Giustiniani-Cambiaso, Albaro
Basilica of S. Maria Assunta, Carignano
Porta del Molo (Porta Siberia), inserted in the city walls
Cupola of St. Lawrence Cathedral
Villa Pallavicini, called Villa delle Peschiere
Villa Grimaldi-Sauli in Bisagno
Proposals for the palazzi in the Strada Nuova
Palazzo Marino (Municipio di Milano), for the Genoese Tommaso Marino.
San Barnaba
Auditorium of the Scuole Canobiane
Santa Maria presso San Celso
San Raffaele
Various projects in the Duomo di Milano, including the monument of the Arcimboldi.
Church of the Gesù