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Headquarters


Please note: Because of the corona pandemic, the headquarters of the Gütegemeinschaft Flachglas e. V. (GGF)  in Troisdorf are currently occupied by only one person at the same time. The other employees are working within home office until further notice. You can reach themby using the contact details below.

Jochen Grönegräs

Manager

P: +49(0) 176 63198475

E-Mail

Bettina Zimmermann

Assistant to the Management

+49(0) 151 23262514

E-Mail

Simone Schwarz

Team Assistant

P: +49(0) 172 2022233

E-Mail

Ingrid Meyer-Quel

Quality Assurance

P: +49(0) 07031 4634898

E-Mail

Markus Broich

Technics und Standardization

P: +49(0) 151 54661520

E-Mail

Max Grönegräs

Communication

P: +49(0) 1578 7058813

E-Mail