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Contact Persons

Dipl.-Oec. Jörg Haupt

Member of the Board
Phone +49 251 2330-0

Petra Ennens-Leineweber

Executive Assistant
Accountancy / Human Resources
Phone +49 251 2330-121

Dr. Ralf Andreas Sembritzki

DE / AT / CH / LUX

Phone +49 170 9690289

Tarek Zein

GB / IR / GR / Africa
Geo Consulting

Phone +49 172 5331940

Dr. Jürgen Schulz

DE / Scandinavia / Eastern Europe

Phone +49 173 9766440

Jacob Stroet

NL / BE / IT / FR

Phone +31 6 83023055

Justin Bryant

Data Protection Officer
Phone: +49 251 2330-387