Contact Europe

Germany

geff GmbH
Siercker Straße 3
D - 74638 Waldenburg

T  +49 (0)7942 - 94654 0
info@geff.de

Contact North America

geff L.P.

Headquarters
5460 33rd Street SE
Grand Rapids, Michigan 49512

USA

 

T +1 (302) 482-4872

E ask@geff.us

Contact Asia

Partner
Qwest Green Technology Pte Ltd
Link@AMK #05-27
3 Ang Mo Kio Street 62
Singapore 569139
T +65 91796717
E asia@geff.de

Steffen Müller

Managing Director, geff GmbH
President, geff L.P.

 

 

 

 

Matthias Förnzler

Technical Director, geff GmbH

 

 

Christian Goetz

Business Development Manager
North America, geff GmbH
Administration & Operations, geff L.P.

 

 

Klaus Kümmerle

Partner, Asien
Qwest Green Technology Pte Ltd
Link@AMK #05-27
3 Ang Mo Kio Street 62
Singapore 569139


 

 

Hans Nägele

Business Development, Europe 
Lighting Projects



 

 

Arantza Vidaurre

Business Development, Europe

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Tanja Ellenberger

geff media, geff GmbH