Contact persons

If you have any questions on the subject of RAL quality assurance or the Gütegemeinschaft Kunststoff-Fensterprofilsysteme, please feel free to contact the team of the Bonn office.

Dipl.-Ing. Gerald Feigenbutz

Managing Director

Dipl.-Ing. Ulrike Quiehl

Technical Manager

Dipl.-Ing. Bernhard Elias

Quality and Certification Manager

Expertise from our network

Jolanta Marcjan, M.A. (Qualitätsverband/QKE)

Meeting and event organizer

Claudia Könsgen, M.A. (Qualitätsverband/QKE)

Public Relations Manager