Born in a family of musicians, Costas Liolios begun playing percussion from the early age of 4. He grew up playing with lots of different kinds of bands evolving within different genres.

From the age of 16 he has been quite active in his live playing through collaborations with many artists in the Greek music industry. His session playing in Greek discography exceeds hundred albums. He participated in the closing ceremony of the 2004 Olympic Games, playing live with some of the greatest artists of the country.

Along with his session playing and live performances he gives seminars to young drummers sharing his knowledge and experience with future talented players.