After studying Communication Technology Stefan Krueger joined Deutsche Telekom in 1999. He was responsible for international standardisation and prototype development in the field of Digital Radio Mondiale. In 2004 he switched DVB technologies, being involved in the Validation Task Force of the DVB-H working group and later becoming the technical project leader of the Berlin Pilot Project of T-Systems in cooperation with the Berlin Senate and the local Media Authority (mabb).

Today Mr. Krueger is leading the Broadcast R&D department of the TDF subsidiary MEDIA BROADCAST GmbH, Germany's largest broadcast network operator. He and his engineers design, realise and evaluate Head-end systems to be used for commercial projects, for example in Austria.