Staff Member
![Mitarbeiter*in](assets/images/9/Lieback_Johannes_web-067ab411.jpg)
Johannes Lieback, M. Sc.
Geschäftsführung
Management
Phone: +49 30 5858216-0
E-Mail: info@berlincert.de
![Mitarbeiter*in](assets/images/7/DGN_web-705af649.jpg)
![Lieback_Jan Managment](assets/images/d/lieback_jan_web-d8332dc8.jpg)
Jan Uwe Lieback, Prof. Dr.-Ing.
Executive Director
Management
Phone: +49 30 5858216-0
E-Mail: info@berlincert.de
![Mitarbeiter*in](assets/images/e/THellmeister_web_2-71b1b52a.jpg)
Tanja Hellmeister
System certification, Team Assistance
Phone: +49 (0)30 58 58 216-0
E-Mail: info@berlincert.de
![Mitarbeiter*in](assets/images/c/tettke_martin_web-e24d6d4f.jpg)
Martin Tettke, Dipl.-Ing.
Head of certification body/notified body, Authorized Signatory
System certification
Phone: +49 (0)30 58 58 216-10
E-Mail: info@berlincert.de
![Mitarbeiter*in](assets/images/4/reiff_michael_web-820dfa94.jpg)
Michael Reiff
Technische Prüfungen
Prosthetic/Orthotic
Phone: +49 (0)30 58 58 216-0
E-Mail: info@berlincert.de
![Mitarbeiter*in](assets/images/9/hansen_jan_thore_web-7abe5d33.jpg)
Jan Thore Hansen, Dipl.-Ing.
Head of Rehabilitation Test Dept.
Rehabilitation
Phone: +49 (0)30 58 58 216-0
E-Mail: info@berlincert.de
![Mitarbeiter*in](assets/images/f/hoeregott_jan_web-400e2f7b.jpg)
Jan Höregott
Technische Prüfungen
Rehabilitation, System certification
Phone: +49 (0)30 58 58 216-0
E-Mail: info@berlincert.de
![Mitarbeiter*in](assets/images/9/lehmann_lennert_web-74597567.jpg)
Lennert Lehmann, B.A. Wi.-Ing.
Head of Antidecubitus
Antidecubitus
Phone: +49 (0)30 58 58 216-0
E-Mail: info@berlincert.de
![Mitarbeiter*in](assets/images/1/HLeppin_web_s-88ad9eb0.jpg)
Heiko Leppin
Test Laboratory, System certification
Phone: +49 (0)30 58 58 216-10
E-Mail: info@berlincert.de
![Mitarbeiter*in](assets/images/9/PBE-a6d9dc3e.jpg)