Klaus has been involved in signal processing and multimedia streaming since 1998. He has an MA in computational linguistics from the University of Vienna, and started his professional career creating acoustic and syntactic models for speech recognition systems at Philips, where he later was part of the team that developed the first range of IP-enabled Hi-Fi sets for multimedia streaming.

Through his company Bitstem, founded in 2007, he has created IP interfaces for analog and digital two-way radio communication, drive test systems for various broadcast and radio standards, and provides consulting and development services in the communication and infrastructure industries. Its latest product is a modulator for 5G Broadcast. In the Nakolos project, a cooperation between Bitstem and Austria state broadcaster ORS, he has been actively progressing the 5G Broadcast ecosystem through the creation of the open-source 5G-MAG reference tools for transmission, reception and processing of 5G Broadcast signals.