On 24 Aug 1551, he was appointed during the papacy of
Pope Julius III as
Bishop of Osimo. He served as Bishop of Osimo until his resignation in 1574. While bishop, he was the
principal co-consecrator of
Angelo Cesi (bishop of Todi),
Bishop of Todi (1566); and
Girolamo Simoncelli,
Bishop of Orvieto (1573). == References ==