Giulio Arnofi graduated in Orchestral Conducting from the Giuseppe Verdi Conservatory in Milan, where he studied under Daniele Agiman. He then furthered his training with Maurizio Arena and participated in masterclasses with Julius Kalmar, Dominique Rouits, Günter Neuhold, and Matteo Beltrami. He also studied Composition with Cristina Landuzzi and took part in a Vocal Interpretation course led by Alberto Zedda at the Accademia Rossiniana in Pesaro.

Arnofi has worked as assistant conductor to Corrado Rovaris for Mozart’s Don Giovanni at the Teatro Regio di Parma, Sesto Quatrini for Mozart’s Die Zauberflöte at the Teatro Regio di Torino, Evelino Pidò for Rossini’s Il barbiere di Siviglia and Donizetti’s Don Pasquale at Teatro alla Scala in Milan, and Gianluca Marcianò for Verdi’s La forza del destino at the Teatro Principal in Mallorca.

His recent and upcoming collaborations include engagements with the Orchestra Sinfonica di Milano, Filarmonica Toscanini in Parma, Orchestra di Padova e del Veneto, North Czech Philharmonic, FVG Orchestra, the strings of the Orchestra della Toscana, the Pordenone Chamber Orchestra, Accademia d’Archi Arrigoni, Orchestra Sinfonica di Lecce e del Salento, Metropolitan City Symphony Orchestra of Bari and with the Donizetti Opera Festival.

His notable operatic and symphonic performances include Il furioso all’isola di San Domingo (family version) at Donizetti Opera Festival, Verdi’s Rigoletto at Aslico Opera Domani 2026, Walton’s The Bear at the Teatro dell’Opera Giocosa in Savona, Rossini’s Il barbiere di Siviglia at the State Opera of Varna (Bulgaria), Mozart’s Don Giovanni at the Teatro Carcano in Milan, Rossini’s Stabat Mater at the Teatro Comunale "Claudio Abbado" in Ferrara, the opening concert of the 2024 Respighi Festival in Bologna, Verdi’s La traviata at the Teatro Mancinelli in Orvieto, and Mozart’s Die Zauberflöte again at the Teatro Comunale di Ferrara.

In November 2021, he made his debut with the Kosovo Philharmonic Orchestra in a concert sponsored by the Italian Embassy in Kosovo and the United Nations, and has since continued to collaborate with the orchestra.

Among his significant institutional engagements are his concert conducting the Young Musicians European Orchestra in Bethlehem, as well as his artist residency in collaboration with the Italian Cultural Institute in Mexico City, where he served as both conductor and teacher for the Orquesta Filarmónica del Desierto and the Compañía de Ópera de Saltillo.

In early 2025, his debut CD was released by Brilliant Classics, featuring him conducting the Accademia Arrigoni Orchestra and pianist Costantino Catena in works by Salieri. The album, titled Piano Concertos, was preceded by a tour across Italy's most prominent concert seasons.

Alongside his conducting career, Giulio Arnofi is deeply involved in cultural promotion. Since April 2025, he has served as the Artistic Director of the Bazzini Consort.