14th International Congress of the Geological Society of Greece, May 2016

10th International Congress of the Hellenic Geographical Society, October 2014

VI International Conference on Mammoths and their Relatives, May 2014

XIX Congress of the Carpathian Balkan Geological Association, September 2010

11^th International Congress of the Geological Society of Greece, May 2007

12^th International Cave Bear Symposium (ICBS), November 2006

2^nd Congress of the Committee of Economic Geology-Mineralogy and Geochemistry of the Geological Society of Greece, October 2005

10^th International Congress of the Geological Society of Greece, April 2004