Georgios Tsigaras was born and educated in Patras, Greece.  He studied theology at the University of Thessaloniki and then Byzantine culture and society at the University of Vienna.  While in Vienna, he also studied Byzantine art, western medieval art, modern Greek history and literature and the history of Orthodox theology.  In 1998, he received a doctorate in Theology from the University of Thessaloniki and in 2005 a doctorate in Philosophy from the University of Vienna.  He has worked in the manuscript library and gallery of the Monastery of St. Catherine, Sinai.  He recorded and organized the archive of Chrysostom, Metropolitan of Smyrna and has done research into the icons and sacred utensils held by the Greek communities of St. George and the Holy Trinity in Vienna.  He has also studied the portable icons and sacred vessels held in the Ecclesiastical Museum of the Metropolis of Lemnos.  From 2001, he has been a member of the editorial committee of the learned journal Peri Thrakis.  In 2011, he joined the Department of History and Ethnology.
He has published on the theory of Byzantine art and the history of post-Byzantine art in Greek and international journals and collective volume.  
His research interests include:  Byzantine and post-Byzantine painting on Mt. Athos, in Thrace and central Europe and the theory of Byzantine and post-Byzantine art.