This is how you can reach us

Hand holding smartphone, other hand operating the keyboard of a notebook

This is how you can reach us

We will gladly be here for you personally!

Individual service is particularly important to us! Here you can find the right contact person or alternatively use our contact form.

Reiner Stöcker, LUMEN Director Export

Rainer Stöcker
Director Export

Tel: +49 9221 / 893-63
E-mail: rainer.stoecker(at)

Thomas Göllert, LUMEN, Sales National

Thomas Göllert
Sales National

Tel: +49 9221 / 893-32
E-mail: thomas.goellert(at)

Dietmar Maisel
Sales Technology & Service
(Northern and Eastern Germany)

Tel.: +49 9221 / 893-17
Mail: dietmar.maisel(at)

Björn Schmittdiel
Sales Technology & Service

(Southern and Western Germany)

Tel.: +49 9221 / 893-18
Mail: bjoern.schmittdiel(at)

Contact form:

(*) Mandatory boxes

Quickly with you whenever you need us!