ISS General coordinator – planer (Lefteris Papamallis) : 6934604713 ISS Dance Department (Andreas Karvounidis) : 6970917917 Certificated schools Αθήνα, Καλλιθέα, Σαπφούς 91 – Breakthrough 2109599947 Αθήνα , Περιστέρι Αιτωλών 13 – Unick Dance 2105763194 Ελευσίνα, Νικολαίδου 90 , 2105561116