 On 2 June 1572, he was appointed during the papacy of Pope Gregory XIII as Bishop of Luni e Sarzana.On 4 July 1572, he was consecrated bishop by Paolo Burali d'Arezzo, Bishop of Piacenza, with Thomas Goldwell, Bishop of Saint Asaph, and Francesco Cittadini, Bishop of Castro del Lazio, serving as co-consecrators.He served as Bishop of Luni e Sarzana until his death on 17 April 1590.