<prompt> Bhala ukuqhubeka kwalesi sigaba - Wazalwa ngo-1952 eKalambaki, eDrama. Ingane yesithupha yababaleki uFotis noStergianis Konstantinou, wakhulela eKalambaki lapho aqeda khona isikole esiphakeme. Wafunda isayensi yezombusazwe eNyuvesi yasePanteion phakathi kuka-1972 no-1976 lapho ahlanganyela khona ekuvukeleni kwe-Athene Polytechnic  <response>: ngokumelene nombuso wezempi waseGrisi. Ngemuva kokuphela kobushiqela ngoJulayi 24, 1974 kanye nokusungulwa kweRiphabhulikhi Yesithathu YaseGrisi waba yisishoshovu sezepolitiki ngaphakathi kweyunivesithi neqembu lezepolitiki Abangane baka-Andreas Papandreou okwathi kamuva, labizwa ngokuthi PASP okwakuyiqembu lezepolitiki labafundi le Panhellenic Socialist Movement. Wabe esephothula futhi ngenxa yemiphumela yakhe evelele Ibanga: Okuhle kakhulu, 1010 wanikezwa umfundaze ukuze athole iziqu zobudokotela emkhakheni wezomnotho wezolimo e-Bucharest Academy of Economic Studies, azithola. Ngo-1980-1981, wathuthela eBrussels futhi walandela i-master in isayensi yezombusazwe e-Universite Libre de Bruxelles. 