Giacomo Nanni was born in Rome in 1996 into a family of music lovers who encouraged him to study the piano and violin. After studying voice, he was accepted into the 35th edition of the Accademia Rossiniana "Alberto Zedda" in 2023 and placed third at the 14th International Baroque Opera Competition "Pietro Antonio Cesti" in Innsbruck.
Nanni made his operatic debut in the roles of Schaunard in Puccini's "La Bohème" (Sandnes, Norway), Figaro in Paisiello's "Il barbiere di Siviglia" (Siena), Guglielmo in Mozart's "Così fan tutte" (Varese) and Leporello in Mozart's "Don Giovanni" (Vicenza and Rome ), Bibi – Leporello's predecessor – in Melani's L'Empio punito (Rieti), Pallante in Handel's "Agrippina" (Stockholm), Esaù in the world premiere of John Barber's "The song of the Ladder" (Prato), Ben in "The Telephone" and Mr. Gobineau in "La Medium" by Gian Carlo Menotti (Milan), Vittorio in "I due timidi" by Nino Rota (Rieti), Menippo in "Il giudizio di Paride" by Marcello Panni (Rome), Antinoo in "Il ritorno di Ulisse in Patria" by Monteverdi (Rieti), Saturno in "La divisione del mondo" by Legrenzi (Kiel), Giove in " Amore e Psiche by Fux (Graz), Uberto in La serva padrona by Pergolesi (Saint-Michel) and Tracollo in Livietta e Tracollo by Pergolesi (Varese), Walton in I Puritani by Bellini (Paris) and Lord Sidney in Il viaggio a Reims by Rossini (Pesaro).
Giacomo Nanni has worked with conductors such as Giacomo Sagripanti (Paris, Théâtre des Champs-Élysées), Francesco Corti (Stockholm, Drottningholm Slottsteater), Alfredo Bernardini (Graz, Schloss Eggenberg), Enrico Saverio Pagano (Milan, Teatro dal Verme), Jonathan Webb (Prato, Chiesa di S. Domenico), Angelo Michele Errico (Siena, Teatro dei Rinnovati), Alessandro Quarta (Kiel Theatre and Teatro Flavardo Vespasiano), Marcello Panni (Rome, Teatro Palladium), Riccardo Doni (Stresa, Palazzo dei Congressi), Andrea Foti (Pesaro, Teatro Sperimentale), Edmondo Mosè Savio (Vicenza, Teatro Olimpico) and Gabriele Bonolis (Norway, Sandnes Kulturhus). Nanni has also participated in two video recordings of live operas, which were released by Dynamic.
The baritone is also active in the concert field: he opened the 2022 season of the Stresa Festival as a soloist in Bach's St. Matthew Passion, worked with Enrico Saverio Pagano and his Canova Orchestra chestra and performed at various festivals, including Urbino Musica Antica, the Festival dei Due Mondi in Spoleto, the "Vesperali" Festival in Lugano and the Festival International de Musique in Algiers.