Kalomiris started his musical education in Athens and Constantinople and completed it in Vienna between 1901 and 1906. After spending four years as a piano teacher in Kharkov, in what is today the Ukraine and was then part of Imperial Russia, he settled permanently in Athens in 1910.
Kalomiris founded two of the most important Conservatories in Greece:
He also founded the Union of Greek Composers.
He served, for a time, as director of the National Opera
Kalomiris wrote approximately 220 works including 3 symphonies and 5 operas.
His 5 operas are: