He was initially a canon and archdeacon of the cathedral of Feltre, then entered into the good graces of the cardinal and patriarch of Aquileia Domenico Grimani (of whom he was vicar general).
[1] Having become referendary of the Tribunals of the Apostolic Signature and domestic prelate of the pope, Cardinal Cornaro ceded the Diocese of Limasol (Nemosia) to him on 22 March 1516.
He received his episcopal consecration in the cathedral of San Pietro di Castello on 7 October 1520 by the Patriarch of Venice Antonio Contarini.
In 1530 Borgasio was given the task of judging the Franciscan Girolamo Galateo, imprisoned because he was accused of spreading Lutheran doctrines in Padua .
Because of the Apostolic Nuncio Altobello Averoldi, Carafa obtained from the pope a brief of appointment to judge the Galateo: so the Venetians were forced to arrest the friar again and to repeal the mild sentence of Borgasio.
[3] In 1574 in Venice was published (posthumous) his essay on canon law: Tractatus de irregularitatibus, et impedimentis ordinum, officiorum, et beneficiorum ecclesiasticorum, et censuris ecclesiasticis, et dispensationibus super eis...[3]