Byron Fidetzis was born in Thessaloniki. He studied violoncello and advanced theory at the State Conservatory of Thessaloniki. Alongside his cello studies, he attended the class of Hans Swarowski in orchestra conduction from 1973 to 1977, in which year he gained his diploma at chef d’orchestre. He has also attended seminars held by conductors Miltiades Caridis (Vienna) and Otmar Suitner (Waimar).
Byron Fidetzis has co-operated as a soloist and conductor with all the Greek and many foreign orchestras in various concerts throughout Greece as well as abroad (Austria, Armenia, Albania, Germany, Italy, Poland, Russia, Czech Republic, Romania, Brazil, Bulgaria, Yugoslavia, Cyprus, Turkey, Iceland, Mexico, China, Japan and others).
For many years he has been co-operating with the Greek National Opera House, and from 1985 to 1992 he was permanent conductor of the House’s Orchestra. From September 1990 to 1992 he was the chief conductor of the Aikaterinenburg State Philharmonic Orchestra of the former Soviet Union, and since 1992 he has been Guest Conductor of Cappella Russia Orchestra in Moscow (the official orchestra of the Ministry of Culture in the former Soviet Union). During the period 2000-2005 he was chief conductor of the Symphony Orchestra of the Municipality of Thessaloniki. Since 1987 he has been permanent conductor to the Athens State Orchestra and from 2004 he is also its Artistic Director.
He has recorded Spiro Samara’s operas Rhea, la Martire, La Biondinetta (or, Historie d’Amour), Mademoiselle de Belle-Isle; Paolo Carrer’s operas Frossini, Despo; D. Mitropoulos opera Soeur Beatrice; Manolis Kalomiris’s operas Anatoli (Sunrise), Konstantinos Paleologos. As for symphonic works he has conducted the world premiere recording of Skalkottas’ 36 Greek Dances. Also he has recorded The Sea by Skalkottas, Manolis Kalomoiris’ two first Symphonies, namely The Levendia Symphony (of Manliness) and Of Simple and Good People; the complete orchestral works of Y. Constantinidis; and N. Mantzaros’s Ode to Freedom in its original, conclusive form. He has also recorded works by such notable composers as Sicilianos, Dragatakis, Evangelatos, Lialios, Lavrangas, Varvoglis, Petridis, Riades, Antoniou, Theodorakis, Xanthoudakis, Koukos, Zanas and many others. The recording companies he works with are, LYRA in Greece, BIS and Naxos internationally.