The team of GTC central-meeting

GTC TeleCommunication GmbH is a family business in private property. Due to highly developed solutions and high requirements to its customer advisors, GTC is able to offer it’s wide client base custom-made communication solutions.

That´s who we are: a team of about 30 qualified women and men taking care of your orders, developing new prodcts and taking care of your individual requirements.


We are innovative and flexible. And the most important for us is you - our customer!


Do you have special questions or requirements? Just call us:

at  Tel.: +49 (0)7 11- 4 90 90-82 you will reach our customer service directly.


Our management


Anja Gutacker

Managing director




  • Born in 1970
  • Diplom-Kauffrau
  • Graduated in business administration at the Eberhard Karls Universität Tübingen
  • Studied at the Université Jean-Moulin in Lyon
  • Since 1996: head of marketing at GTC
  • Since 2009: CEO at GTC


Do you have specific

questions or suggestions?


Please contact us

by email to

or call us at

+ 49-711-49090-82.


    Volker Biedinger

    Managing director




    • Born in 1967
    • Diplom-Ingenieur
    • Studied at the Technischen Universität Braunschweig
    • Untill 1997: Assistant of the CEO at a distributor for electronic equpiment
    • Since 1997: Assistant of the CEO at GTC
    • Since 2002: CEO at GTC

    Social and ecological engagement

    Our role in our society is important for us. Therefor we get involved in different ways:

    • Monthly financial aid for two sponsored children and situative donations for Worldvision
    • Sustaining member of the primary school Jakobschule in the center of Stuttgart
    • Use of green electricity - savings of over 45 t CO2 every year
    • For more than 10 years education of apprentices
    • Several years sponsor of the handball team Frisch auf Göppingen (women)
    • Financial aid for several relief operations (e.g. for victims of natural disasters)
    • We regularly support Aktion Mensch, which implements many social projects

    In our day-to-day work as well as in our diverse products and projects, we strive to incorporate social and ecological aspects as far as possible.




    Terms and conditions

    Terms and conditions

    Data security

    Data security
    +49 (0)7 11 - 4 90 90-0
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