At the Conservatory of Santa Cecilia in Rome, he studied conducting with Franco Ferrara and composition with Irma Ravinale.
His first conducting appearance with English National Opera (ENO) was in 2003 with Khovanshchina, then he was Chief Designate in 2005 and came back for Sir John in Love in 2006.
[7] His recording projects with the MSO included all the symphonies of Alexandre Tansman[8] and the orchestral works of Rudi Stephan.
[10] Caetani's recordings include the first complete cycle of the Shostakovich symphonies recorded by an Italian orchestra, with the Orchestra Sinfonica di Milano Giuseppe Verdi, Poliuto by Donizetti with Carreras, Ricciarelli and the Wiener Symphoniker, the symphonic cycles by Tchaikovsky and Gounod (Diapason d'or ), a CD with Wagner overtures and another one with various Mendelssohn works.
He has been a regular guest at the Mariinsky Theatre, where he has conducted the Russian Premiere of The Prisoner by Dallapiccola at the White Night Festival in 2015.
Caetani received the Berlioz medal for his interpretation of Benvenuto Cellini and the Romanian Legion of Honour for culture merite because of his work to increase Enesco's popularity outside Romania.