He is a professor of classical archaeology at Aristotle University and excavator of the acropolis and the walls of Vergina.
He has written numerous scholarly papers in international archaeological journals and a number of books.
As late as 1994 he claimed (contrary to mainstream opinion)[3]: 609 [4] that the site of Aegae is actually that of ancient Balla, and that the real site of Aegea near the "Gardens of Midas" on the slopes of the Vermio Mountains near Naousa.
He is a founding member of the Association for the Study of Ancient Greek Technology (EMAET) and Arcadian Academy.
In 1993 he received the award of the Academy of Athens for his book Αρχαία Κυνουρία.