In 1991 he was part of a German archaeological team under the direction of the late Prof. Dr. Klaus Kilian (1939–1992) of the German Archaeological Institute (DAI) excavating in Pidurangula, Central Province, Sri Lanka.
From 1992-1993 he took part in excavations carried out in Tissamaharama, Southern Province, Sri Lanka, under the direction of Dr. Hans Joachim Weisshaar of the German Archaeological Institute (DAI).
Together with the late Prof. Dr. Helmut Roth (1941–2003) of the University of Bonn he started archaeological examinations at Godavaya harbour site[2] and in nearby Paybokka village in the Southern Province, Sri Lanka, in 1994.
In his thesis he examined the archaeological, architectural and material remains of a medieval parish in the western Rhineland (Lohn, Eschweiler, Northrhine-Westphalia).
[7] In 2016 he was elected Director of Archaeology of the German federal state of Hesse.