‘Expertise in railway operations, methodological skills and know-how in the implementation of digital systems are crucial to the nationwide introduction of ATO.’

Christian Klier

Christian Klier

Senior expert
ATO Department

  • Extensive expertise in ATO, surround sensors and vehicles
  • In-depth knowledge of ATO product development from many manufacturers
  • Many years of experience in project handling at the national and international level

Contact Christian Klier at the Berlin office

Christian Klier is a senior expert in the ATO and ATO sensor technology department at NEXTRAIL GmbH. As a project manager and specialist for automatic train operation and with over 15 years of professional experience in the industry, he has extensive technical expertise both in the field of product development and interdisciplinary system integration.


Prior to joining NEXTRAIL as a senior expert, Christian Klier was involved in researching and developing sophisticated mobility and infrastructure concepts for local and long-distance passenger transport and worked as a project manager for autonomous train systems at Siemens, among other things. In particular, the design of innovative products and solutions for the highly automated driving of rail-bound vehicles with ATO sensors. Thanks to his many years of experience in industrial systems development, his vehicle know-how and his extensive theoretical and practical ATO knowledge, he is able to drive projects forward as part of interdisciplinary teams with a high level of expertise.


Christian Klier attended the Brandenburg University of Applied Sciences from 1999 to 2003 and graduated with an advanced degree in applied computer science.

Contact Christian Klier at the Berlin office

Personal project references for Christian Klier

Focus of the service areas

System engineering

We support railway operators and manufacturers from the outset with system design, stakeholder analyses and gathering requirements.

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