Katholieke Universiteit, Belgium
STUK Kunstencentrum
February 14, 2014
Università della Calabria, Italy
Museo di Paleontologia
May 14, 2011
University of Louisville, USA
Archeology and Religion
September 11, 2007
The Lexington School, USA
KAIS Conference
March 9, 2007
Hayfield Montessori School, USA
January 17, 2007
Speed Art Museum, USA
October 19, 2006
University of Cologne, Germany
Hugo Obermaier Society Congress – 48
April 20, 2006
University of Louisville, USA
Photographers Forum
October 6, 2005