Giorgos Gallos was born in 1972 in Boston, USA. In 1999, he graduated from the National Theatre of Greece Drama School.
In the theatre, he has worked with Lydia Koniordou, Nikos Karathanaos, Sotiris Hatzakis, Petros Sevastikoglou, Vasilis Nikolaidis, Maria Lourdes Jacob, Margarete Hollingsworth, Lee Breuer, Anatoli Vassiliev, Dimitar Gotsev, Dimitris Mavrikios, Pantelis Dentakis, Vangelis Theodoropoulos, Dimitris Tarlow, Michael Maramarinos, Yannis Houvardas, Lefteris Voyatzis, Io Voulgaraki, Iro Hioti, Tomaž Pandur, Cesaris Grauzinins, Rimas Tuminas, Dimitris Karatzas in productions like: Alkistis, Ion, Trisevgeni, 8 Women, Oedipus, Erotokritos, Country in Search of a Hero, A Touch of the Blues, Medea, The Persians, The Theatre of Illusion, Mandragora, The lieutenant of Inishmore, The Acharnians, Not at All Well,Motortown, American Buffalo, Hercules Furens, Mourning Becomes Electra, Hamlet, Interest [Tokos], Amphitryon, The Greenhouse, Circling the Square, The Robbers, Intolerance, Blood, King Lear, Julius Caesar, Oedipus Rex, etc.
In 2006, he acted in and directed (with Stavroula Siamou) Shakespeare’s Macbeth, in the Loft of Theatro Neou Kosmou.
In 2009, he acted in and directed (with A. Xafi, V. Mavrogeorgiou, A. Hioti and the Blitz ensemble) Goethe’s Faust, in the National Theatre.
In 2010 he acted in and directed (with Yannis Perlengas) Henry Edward Richard, a mélange of two Shakespeare plays, in the National Theatre.