The Certification Committee advises the Executive Board of the DGNB on current issues relating to the auditing and certification process with respect to the practical application of the DGNB System.
Joachim Hirschner
IWTI GmbH, Institut für wirtschaftliches und technisches Immobilienmanagement
Your contact
Markus Kelzenberg
Chief Executive Officer DGNB GmbH / Certification Body
- Phone: +49-711-722322-75
- Email: m.kelzenberg@dgnb.de