Nikolas Tsilogiannis was born in Athens in 1946. He started playing drums at an early age.

He participated in various bands of the 60's such as the Idols, became a member of the group Bourboulia that accompanied Dionysis Savvopoulos and collaborated with many musicians, such as Pavlos Sidiropoulos, Vasilis Dallas, Pantelis Deligiannidis and others.

He has been living and working in Utrecht, the Netherlands since 1976. There he began to engage in sculpture.
He formed the Nikos Tsilogiannis Quintet with which he played in many venues.

He also created the Omikron Project with members from France, Greece and the Netherlands and the group's debut album entitled "Solstice" was released in 2016.