After his studies of Physics Technology Klaus started his business life at Aixtron AG in Aachen/Germany within the semiconductor industry. In 1998 he changed to ODME/OTB in Eindhoven being responsible for sales of Optical media equipment (CD, DVD) as well as PECVD coating systems for crystalline solar cell production. Within the same group Klaus changed in 2008 to PixDro been responsible for Sales of their industrial inkjet printing system.
In 2103 he changed back to Germany where he stated at 4JET microtech GmbH near Aachen as Director sales being responsible for sales of their laser systems for glass processing as well as solar equipment.