Josip Šego was born in Sarajevo, Bosnia and Herzegovina in 1974. He enrolled at the Zagreb Music academy to study conducting in the class of Professor Igor Gjadrov and graduated in the class of Professor Vjekoslav Šutej in 2000. During his studies he was granted the Dean’s Award for the performance of The Medium by G. C. Menotti and the entire project was granted the Rector’s Award. Immediately after his graduation he was engaged at the Zagreb Opera as répétiteur and promoted to conductor after his debut with Bellini’s opera I Capuleti e i Montecchi. After that he took charge of Mozart’s Idomeneo which he conducted at the Festival of Mozart’s music in Miskolc, Hungary. Along conducting repertoire performances and some revivals he also prepared the premieres of Mozart’s Bastien and Bastienne, Puccini’s La Bohème and the Opera Cabaret by Barber – Hindemith – Foss.
For several years he had been leading the mixed choir Collegium pro musica sacra with which he had several very notable appearances, winning the Golden plaque at the 5th Competition of choirs in Zagreb and the Silver plaque at the Choir Olympics in Bremen. They toured Italy, Austria, Germany and Sweden. He also appeared as guest conductor at other Opera houses in the region; at the Opera in Skopje, Macedonia he directed Einem’s The Visit of the Old Lady and became their permanent guest conductor; at the National Theatre in Sarajevo he conducted the premiere of Rossini’s The Barber of Seville; on the occasion of the opening of the first Opera house in Bitola, Macedonia he directed Donizetti’s Don Pasquale, and at the opening of the Skopje Summer 2008, he directed Verdi’s Requiem. At the CNT Ivan noble Zajc in Rijeka, among other titles he conducted the premiere of Orff’s ballet Carmina Burana and in Šibenik he conducted Menotti’s opera The Medium.
He appeared as conductor of the Zagreb Philharmonic, the Croatian Radio Television Symphony Orchestra, the Croatian Army Symphonic Wind Orchestra, the Karlovac Chamber Orchestra, Skopje Philharmonic, Croatian Chamber Orchestra, Choir and Orchestra of the Institute for Church Music Alba Vidaković, Academic choir of the Basilica of the Sacred Heart of Jesus, Palma and the Mixed Choir.