Kammala wannan jumla: An haife shi a 1952 a Kalambaki, Drama. Na shida na 'yan gudun hijirar Fotis da Stergianis Konstantinou, ya girma a Kalambaki inda ya gama makarantar sakandare. Ya yi karatun kimiyyar siyasa a Jami'ar Panteion tsakanin 1972 da 1976 inda ya halarci
Athens Polytechnic tawaye da "hukumar mulkin soja ta Girka". Bayan ƙarshen mulkin kama karya (24 ga Yuli 1974) da kuma kafa Jamhuriyar Hellenic ta Uku ya zama ɗan gwagwarmayar siyasa a cikin jami'ar tare da ƙungiyar siyasa "Abokan Andreas Papandreou" wanda, daga baya, aka sake masa suna a matsayin "PASP" wanda shine ƙungiyar siyasa ta ɗaliban "Panhellenic Socialist Movement". Daga nan ya kammala karatunsa kuma saboda nasarorin da ya samu (Grade: "Kyakkyawan", 10/10) an ba shi tallafin karatu don samun digirin digirgir a fannin tattalin arzikin noma daga Kwalejin Nazarin Tattalin Arzikin Bucharest, wanda ya samu. A cikin 1980-1981, ya koma Brussels kuma ya bi digiri a fannin kimiyyar siyasa a Jami'ar Libre de Bruxelles.