We are giving Germany a digital foundation.

Capacity in Deutsche Bahn's fibre optic network is waiting for you.

DB broadband stands for fibre optic connectivity in Germany.

We are laying an important foundation for digitalisation in Germany. Our role is to provide available capacity in Deutsche Bahn's fibre optic network. We offer you simple, cost-saving solutions to expand and improve your own fibre optic networks.

We have founded DB broadband GmbH so that we can provide you with optimal support, acting as your single point of contact for gigabit expansion in Germany.

While our DB partners look after the technical infrastructure, our job is to look after you. We are always there for you and have created a unique customer experience. Our mission is to always find the optimal solution.

A one-stop shop for planning, implementation and operation.

Simply tell us what you need, and we'll take care of everything. Choose us, and you'll have the whole DB Group and a high-performing supplier behind you.

Telecoms enquiries: Your wish is our command


Send us your request, and we'll look after everything from there. Backed by strong service providers, we'll check the availability of your desired products and find the best way to implement them for you.

Contact for telecoms enquiries: DB broadband GmbH


We're a subsidiary of DB Netz AG, and our job is to market available capacity in DB's broadband infrastructure. We act as your single point of contact for all telecoms-related enquiries.

Network owner: DB Netz AG


DB Netz AG plans and commissions the expansion of the network (for its own and third-party requirements), owns the passive infrastructure and is responsible for operation and corrective maintenance.
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Installation, servicing and maintenance: DB Kommunikationstechnik GmbH


DB Kommunikationstechnik GmbH is the company responsible on the ground for expanding and operating the network. It acts as a service provider for maintenance and fault resolution. 
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Partner supplier: DB Systel GmbH


DB Systel GmbH is responsible for expanding and operating active infrastructure (e.g. ethernet) and repairing any faults. 

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„As a backbone of mobility and connectivity, Deutsche Bahn has a strong social responsibility. Our job will not be done until Germany has achieved its targets for broadband expansion.“

DB broadband Board of Managing Directors

Dr. Christian Humpert

Chief Executive Officer

DB broadband GmbH

Christian Humpert has been Managing Director of DB broadband since 01.03.2021. He started as Managing Director Operations (COO) before taking over as Chief Executive Officer (CEO) on 01.08.2021.

Before joining Deutsche Bahn, Christian Humpert held various management positions in Vodafone Germany and Vodafone Group.. Most recently, he was Vice President Europe at Vodafone Carrier Services.

He is an experienced international professional, who developed and managed European business units and also initiated and developed infrastructure consortia in Eastern Europe and Russia as well as the Black Sea region.

The lawyer by trainingstarted his career in the telecommunications industry in 2000 as in-house lawyer at Arcor AG & Co. KG. He subsequently took over management tasks in B2B sales. Over the years various management functions in marketing and in service management followed.

Ferdinand Kopf

Managing Director Finance/Controlling

DB broadband GmbH

Ferdinand Kopf has been Managing Director Finance/Controlling (CFO) of DB broadband since 01.07.2021.

He has held various management positions in different business units of the DB Group for 23 years. In addition, he is currently Head of Finance/Controlling for the Southwest Region of DB Netz AG.

As an experienced financial manager, Ferdinand Kopf has extensive experience in developing DB broadband in an economically sound manner.

Before joining the DB Group, Ferdinand Kopf worked in auditing. A degree in business administration preceded his career entry.

Dr. Daniela Gerd tom Markotten

Member of the Management Board for Digitalization and Technology as well as Chair of the Supervisory Board

DB broadband GmbH

Dr. Daniela Gerd tom Markotten was born in 1974 and has a degree in industrial engineering from Karlsruhe Institute of Technology. She earned her doctorate in IT security from the University of Freiburg in 2003.

From 2003 to 2017, Gerd tom Markotten held a variety of positions in IT, logistics and production at Daimler AG, where she most recently served as CEO of Daimler Fleetboard Management and Head of Digital Solutions and Services at Mercedes-Benz Trucks.

In 2017, Gerd tom Markotten became the CEO of moovel, a mobility joint venture established by BMW Group and Daimler AG. In mid-2020, she founded iuhhoo GmbH, a tech start-up whose portfolio includes a software product for AI-/AR-based video calls that can be used in remote support.

The Supervisory Board of Deutsche Bahn AG appointed Gerd tom Markotten to serve as DB Board Member for Digitalization and Technology effective September 15, 2021. In November 2021, she also took over as Chair of the Supervisory Board of DB broadband.