He then worked for around 20 years as a professor of theology at his order's seminary based at in Rome at San Carlo ai Catinari.
He also served as a counselor to several dicasteries of the Roman Curia In February 1887, at the pope's request, he prepared a report to guide a secret papal commission that was considering whether, in the event of European-wide war, the pope should leave Rome and what locations would prove an acceptable refuge.
On 29 March 1892, Pope Leo XIII appointed him titular archbishop of Caesarea Ponti.
He received his episcopal consecration on 3 April 1892 from Cardinal Raffaele Monaco La Valletta.
On 12 June 1893, Pope Leo XIII made him a cardinal priest[1] with the titular church Santi Quirico e Giulitta.