Art Historian Alex Koller was born in Vienna and has studied in Vienna, Salzburg and Cambridge. In Vienna he studied Art History, which is one of the cradles of the art-historical evaluation of the architecture of the Transcaucasus. In Salzburg, he gained his first degree in History of Art and Slavonic languages before continuing to Cambridge for a PhD in History of Art from Magdalene College where he also lectured and supervised.

Alex has been leading tours since 1998 and is an accomplished linguist, his experience ranges from Eastern Europe, Russia and the Himalayas to Japan and Southeast Asia. He has studied the art and architecture of the Orthodox and other Oriental churches in several countries in Eastern Europe (mainly the Balkans) and the former Soviet Union.