San Pietro in Montorio
On 6 July 1565 he was elected Bishop of Ventimiglia. He was transferred to the see of Luni-Sarzana on 7 September 1565. On the same day, he opted for the titular church of Santa Sabina. He was consecrated as a bishop by Cardinal Clemente d'Olera in San Pietro in Montorio on 21 November 1565.