Each year, the Greek music groups participating in the festival are selected by a committee consisting of Leonidas Antonopoulos (music producer, director of Kosmos 93.6), George Mouchtaridis (radio producer of Kosmos 93.6) and Tania Giannouli (pianist, composer).

Born in Athens, in 1965. A journalist specialized in music, he is, now, Head of Kosmos Radio, the most popular of the radio services delivered by ERT (Greek Public Radio & TV) and host of a daily morning radio show. He has been hosting TV and radio programs related to music, especially jazz and world music, for more than 25 years. He was a founding member of Jazz FM -a pioneer jazz FM radio in the 90s- and has also served as music consultant of the Hellenic Festival and as artistic director of the "Sounds Of The World" section of the Festival.
He was born in Athens and grew up in Toronto, Stuttgart and Zographou district. He has been living in Nea Makri for 20 years. He has written articles for several music and non-music magazines, starting from "Sound & HiFi" and continuing with "Eptamisi", "Icones", and "Seven" in the Sunday edition of Eleftherotypia newspaper. He has been a member of The Jaywalkers band as a guitarist, singer and songwriter. He started his radio career with the "Radiosynnefoula" show on the Fourth Programme of Greece's state broadcaster, ERT. He continued as a radio presenter and journalist at Channel 5, Pop FM, Rhythmos and En lefko. At the same time, he worked as a music editor at news radio stations such as 902 Aristera at Fm and SKAI. He was a director at Kosmos 93.6 radio from 2003 to 2011, and in 2011 he set up Pepper 96.6 from scratch. From January 2023 until the summer of 2024 he served as director and radio presenter of Athens Voice 102.5, while from November 2024 he is the radio presenter in the daily 12:00-14:00 show of Kosmos 93.6.
