1988
Guest lecturer for Packaging Design at the Fachhochschule in Darmstadt/Germany.

1991
Guest lecturer in Product Design at the College of Fine Arts in Lisbon/Portugal.

1999
Guest lecturer in Design History at the Academy of Fine Arts in Nuremberg/Germany.

2004
Guest professor for Product Design at the China National Academy of Art in Hangzhou China.

2005/2006
Professor representative for Industrial Design at the Art Academy in Kassel/Germany.