His father was Agapios Hatzinasios, a native of Nigrita, Serres and a music professor of Thessaloniki's State Conservatory and a renowned saxophonist.

His paternal grandfather, also Georgios Hatzinasios and a graduate from the Phanar Greek Orthodox College, was a merchant and visited the Holy Land at a young age with his father, Athanassios.

Hatzinasios wrote the music for and conducted Greece's entry, "Mathima solfege", in the Eurovision Song Contest 1977.

As a piano soloist, Hatzinasios has given recitals both in Greece and abroad in such prestigious venues as Carnegie Hall, the Konzerthaus in Vienna, the White House at Gilwell Park in London and others.

In 2005,[2] the first performance of his cantata Ωδή στον Μέγα Αλέξανδρο ('Ode to Alexander the Great') took place at the Athens Concert Hall.

[3] Hatzinasios is a member of Hellenic Authors’ Society, Intellectual Property Corporation and Greek Research and Technology Network in Greece, PRS for Music in the UK and of SACEM in France.