Rolf F. Katzenberger
Leupoldstra├če 7
GER – 90763┬á Fuerth
Phone: +49 911 36 06 795
eMail: rolf.katzenberger(at)
VAT-ID: DE 252 458 812

Corporate trainings:

If you have any questions or would like to organize a corporate training, please don’t hesitate to get in contact with us!

Credits and Copyright

(for the German version, see this page)

We’re happy you like this website!

Please note that all content, including texts, photographies and graphics, are copyrighted. Except where stated otherwise, the copyright is with Rolf F. Katzenberger (see above, for contact data).

Please talk to us up-front if you’d like to use any of the content for your own purposes, to obtain our written permission to do so. Simply copying content without permission is a legal offense in many countries of the world. And it’s not necessary – we’re accessible.

In detail

  • All text on this website is Copyright © 2014-2018 Rolf F. Katzenberger.
    All rights reserved.
  • All cliparts, photos of the English Workbooks, as well as Sharon L. Bowman’s portrait photo are Copyright © 2008-2018 Sharon L. Bowman.
    All rights reserved.
  • All photographs, images and graphics of German course materials and of our Training from the BACK of the Room! courses are Copyright © 2014-2018 Rolf F. Katzenberger / All rights reserved. / Alle Rechte vorbehalten.