Fluent in four languages, Heinrich has lectured at Trinity College Dublin and was for many years the Assistant Director of the Irish Institute at Athens. A resident of Athens, he is active as a journalist reporting archaeological and cultural developments in print, online, as well as on radio and television. Heinrich has excavated in various parts of Europe and is specialised in Aegean prehistory, which he studied at University College Dublin. He is co-editor of the Blue Guide to the Aegean Islands. He now works for Peter Sommer Travels organising and leading many of their archaeological and cultural tours.