Contact

Dr. Jens-Christian Winkler
Authorized Manager
Head of the Certficiation Body
Phone: +49 241 96 79 - 137
j.winkler@tfi-online.de

Susanne Kleyer
Dipl.-Ing.
Deputy Head of the Certification Body
Tel: +49 241 96 79 - 131
s.kleyer@tfi-online.de

Dr. Ernst Schröder
Managing Director
Phone: +49 241 96 79 - 115
e.schroeder@tfi-online.de

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Contact

Dr. Jens-Christian Winkler
Authorized Manager
Head of the Certficiation Body
Phone: +49 241 96 79 - 137
j.winkler@tfi-online.de

Susanne Kleyer
Dipl.-Ing.
Deputy Head of the Certification Body
Tel: +49 241 96 79 - 131
s.kleyer@tfi-online.de

Dr. Ernst Schröder
Managing Director
Phone: +49 241 96 79 - 115
e.schroeder@tfi-online.de