From 1993 to 1997 he was Vice President of the European Association of Remote Sensing Laboratories (EARSeL), where he also chaired a SIG on landslides and mudflows, and from 1999 to 2001 of EURO-STRIM (Association for the Establishment of a European Master and Doctorate in Space Technologies for Risk Management).
Er war von 1993 bis 1997 Vizepräsident der European Association of Remote Sensing Laboratories (EARSeL), wo er auch einer SIG zu Erdrutschen und Muren vorstand, und von 1999 bis 2001 Generalsekretär der EURO-STRIM (Association for the Establishment of a European Master and Doctorate in Space Technologies for Risk Management).