The Socialist Workers Party of Greece (Greek: Σοσιαλιστικό Εργατικό Κόμμα SEK) is an affiliate of the International Socialist Tendency (IST). It is the second largest organisation in IST behind the Socialist Workers Party of Britain.SEK originated among a group of exiled Greek students in London led by Maria Styllou and Panos Garganas and a group of Greek students during the occupations of universities against the Greek dictatorship.