Giuseppe Valeriano, a Jesuit architect born in L'Aquila in 1542, received his artistic training in Rome and later joined the Society of Jesus in 1573. During his time in Spain, he contributed to numerous projects, influenced by the style of Juan de Herrera. Upon returning to Italy in 1580, Valeriano led significant works in Rome, including the expansion of the Collegio Romano, demonstrating his ability to combine simple and harmonious forms. In 1585, he participated in projects in Palermo, Lecce, and Genoa. His influence also extended to Naples and Lisbon. His intense activity concluded with his death in Naples in 1596.