Membership in Associations
 

	VBI  Association of Consulting Engineers
	DVP  German Association of Project Manager
	DGEG  German Geotechnical Society
	ÖGG  Austrian Society for Geomechanics
	ITA   International Tunneling Association
	STUVA  German Research Organisation for Underground Transportation
	VDEI  Association of German Railway Engineers
	UVP  German EIA Association
	VSVI  Association of Road Construction and Traffic Engineers
	FGSV  Road and Transportation Research Association
	Association for the production and maintenance of the quality of sewer pipes