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8006 Zürich, Walchestrasse 17

Gründer: Andreas Koj
VR: Dipl.-Ing. Jan-Patric Schmid

    Bund deutschsprachiger Audiotherapeuten e.V.
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    KOJ hearing network GMBH

    77855 Achern (DE)
    Hänferstrasse 35
    +49 7841 682 57 38
    network@koj.training

    GF: Dipl.-Ing. Jan-Patric Schmid
    GS: Andreas Koj

    Bund deutschsprachiger Audiotherapeuten e.V.