Technical Committee

The Technical Committee is the central decision-making and quality assurance organ of the DGNB. It is responsible for the checking of new schemes, for the adaptation of the contents of existing schemes and for the further development of the contents and requirements of the DGNB Certification System.

Martin Hoffmann,
Arcadis Deutschland GmbH

Indoor air quality, acoustics

Ralf Bode,
atmosgrad° GmbH


Dipl. Architektin ETH Andrea Georgi-Tomas,
ee concept GmbH

Dipl.-Ing. (FH) Gregor C. Grassl,
Drees & Sommer Advanced Building Technologies GmbH

Lars Knabben,
e²-energieberatung GmbH

Thomas Kraubitz,
BuroHappold Engineering | Cities


Rolf Messerschmidt,
Eble Messerschmidt Partner Architekten und Stadtplaner PartGmbB

Open space, climate

Dr. Michael Rieß,
BIU - Büro für integrierten Umweltschutz

Building materials and harmful substances

Dr. Ing. Wolfram Trinius,
Ingenieurbüro Trinius GmbH

Life cycle cost

Dr. Bastian Wittstock,
thinkstep AG (former PE INTERNATIONAL AG)

Life cycle assessment

Jan Zak,
ikl Ingenieurbüro, Prof. Dr.-Ing. Kunibert Lennerts GmbH

Process quality


Karen Sternsdorff
Phone: +49 711 722322-33
k.sternsdorff at dgnb.de

Our members

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