Please use for all business related contacts.

My mobile number is +49 173 8824821. Since I may be on travel and there is possibly a considerable time difference to wherever you are located I very kindly ask you to send an email first so we may agree on a time for a call (or, even better, a Skype session).

Kzenon – Arne Trautmann
Ul. Sveti Georgi Sofiyski 50
1606 Sofia

VAT-ID: BG1003111661
Responsible for the content of this site: Kzenon – Arne Trautmann.