Jann Onken Founder and general manager of Laborservice Onken, head of the Biotronik service department in earlier times.
Tel.: +49 6058/918096
Helmut Bredehöft General manager since 2000, for Biotronik customers well-known service engineer in North and East Germany.
Tel.: +49 6058/1445
Michael Stüwe Long experience with Biotronik products. Joined Laborservice Onken in middle 2004. Responsible for our laboratory, quality management and applications
Tel.: +49 6058/9178273
Timo Jaap The youngest service engineer of our team, mainly responsible for Middle and South-Germany.
Tel.: +49 6058/9178270
Monika Degenhof New co-worker since end of 2002. Responsible for orders, correspondence, book-keeping and telephone support.
Tel.: +49 6058/9178271
Eberhard Goldscherr The master of our logistics. Ensures the fastes possible delivery of spare-parts, buffers etc.
Tel.: +49 6058/1455
Wolfgang Kohlen Free-lance worker, with years of practical experience in clinical applications. Responsible for our research and application laboratory in Berlin.
