Born in Hungary, Gergely Ittzés is active in many fields of music making. Ittzés is a member of the UMZE Chamber Ensemble and founder of the TeTraVERSI Flute Quartet. He debuted at Carnegie Hall in 2014 and performed at major flute festivals in Beijing, Brasília, Paris, New York, Manchester, Freiburg, and more. He has performed with Magdalena Kožena, Markus Stockhausen, Heinz Holliger, Peter Frankl, Miklós Perényi, Zoltán Kocsis, Péter Eötvös, Dénes Várjon, Amadinda Percussion Group, Barnabás Kelemen, and Kristóf Baráti, and appeared as a soloist with the Franz Liszt Chamber Orchestra, Austrian-Hungarian Haydn Orchestra, Toronto Sinfonietta, Katowice Philharmonic, Bach Works New York, Huntsville Symphony, and other ensembles.

Ittzés has arranged many works for flute, has edited flute publications, and worked with publishers including Akkord, EMB, Universal, Billaudot, Presser and Kossack. In his compositions, he applies the latest up-to-date techniques, especially polyphonic flute playing which he introduces in Flouble, his software and DVD. He published the Hungarian version of his comprehensive flute methodology book Flautology in 2018 and has also recorded more than twenty CDs to date.

After graduating at the Franz Liszt Academy of Music in Budapest, Ittzés was awarded scholarships to study at Prague Mozart Academy and Banff Centre for the Arts. His flute playing was highly influenced by István Matuz and Aurèle Nicolet. He studied chamber music with György Kurtág and Ferenc Rados.

He holds a doctorate from the Franz Liszt Academy. Ittzés won the Grand Prix of the 2nd Aleksander Tansman International Competition for Musical Personalities, Franz Liszt Award, and Lajtha Award. In 2017, he was a Fulbright guest professor at Boston University. In 2018, he was awarded a three-year grant from the Hungarian Academy of Arts for his creative work. Before joining the Tianjin Juilliard faculty, he taught flute at the Széchenyi University in Győr and gave master classes worldwide.