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The people behind the MDT brand

Find out more about our management










Roger Karner


With over 30 years of experience in building automation, a true pro in the sector has been in charge of the destiny of MDT since 2021. After moving from a major international corporation to the German SME, at MDT Roger Karner is focussing on the further expansion of the company and internationalisation.



Marcel Gramann


With over 15 years of experience in the building automation sector, Marcel Gramann is another experienced pro in the sector who is part of the MDT team. Since joining the company, Marcel Gramann has personally been very committed to further expanding the national and international sales structures and driving forward the positioning of the brand. 



Steffen Hirsch


With Steffen Hirsch, MDT has an experienced CFO who has worked at many small and medium-sized B2B companies over the course of his career. At MDT, he is responsible for accounting, financial controlling, purchasing and IT.



Dietrich Bertram


For over 25 years, Dietrich Bertram stands for successful innovation management and smart technologies. After many years of working for a major international corporation, he now focuses at MDT on the successful continuation of the innovation process and future-oriented production processes in order to continue to meet increased customer requirements.


Work at MDT

Do you have a passion for building automation and products that still need to be developed? Then you are just right for us. Join the KNXperts team!


About us

MDT is a leading provider of KNX products for the automation of commercial and private buildings. We stand for top quality.

News and press

Stay up to date – information for media representatives and news from the company can be found here.

Die Beleuchtung: Licht – immer wenn Du es brauchst und in der passenden Beleuchtungsstärke

MDT solutions

How can a smart building be achieved with KNX, and what components are needed for this purpose? Have a look at the solutions.

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