The lecturers of the Rail Safety Campus
The instructors of the Rail Safety Campus have been working in railroad technology for at least 10 years and have special knowledge of functional safety. Thanks to their professional experience, they know how to convey the theoretical content to you in the way you need it in your everyday work. Not only will you gain the knowledge that is important to you, but you will learn how to apply it in your daily doing.
Prof. Dr. Raphael Pfaff
Lecturer for Module 1 “Basics
Working in railroad technology for 16 years
FH Aachen:
- Since 2014 for professor for rail vehicle technology at the FH Aachen
- Teaching and research in the field of rail vehicles, in particular digitization and automation
Work Experience (Excerpt):
- Systems engineer at Siemens AG
- Head of design of the coupling area at Faiveley Transport Witten GmbH


Dipl.-Ing. (FH) Lars Lange
Lecturer for Module 1 “Basics”, Module 2 “Homologation” and Module 5 “Practice
Work Experience (Excerpt):
- Active in railroad engineering and certification for 14 years
- Managing Director and Principal Consultant of InterEngineer GmbH
- Until 2018: Expert of a testing organization
Expertise (excerpt):
- Safety Management and Safety Engineering
- Functional safety (IEC 61508, EN 50126, 50128, 50129, 50657, 50159, ISO 13849, EN 62061, EN 61511, EN 50156)
- CSM-VO and V- Model
- Test Management
- Requirements Engineering & Requirements Capture
- FMEA & FTA
- Hazard and risk analysis

Dr.-Ing. Sonja-Lara Bepperling
Lecturer for CSM-RA
Work Experience (Excerpt):
- Working in railroad engineering for 15 years, PhD in the field of risk analysis for railroad engineering
- Team leader for the safety department at Nextrail GmbH
- Since 2022: EBA-approved testing experts for proof of at least equal safety and explicit risk assessment in the field of signaling systems
Expertise (excerpt):
- Many years of experience in the preparation of system assessments and safety assessment reports
- Highest expertise in risk analysis for the ETCS and ESTW sectors
- Deep knowledge in the areas of safety and regulatory management
- Member of the DKE working group on semi-quantitative methods for the risk analysis of technical functions in railroad signalling VDE V 0831
- Many years of experience as a lecturer at universities and as a trainer in the industry
Steffen Mattern, B. Eng.
Lecturer for Module 3 “Standards” and Module 4 “Measures & Techniques
Work Experience (Excerpt):
- Working in railroad technology for 11 years
- Expert for Functional Safety and Principal Consultant of InterEngineer GmbH
- Until 2021: Expert with a testing organization
Expertise (excerpt):
- Safety Management
- Functional safety (IEC 61508, EN 50126, EN 50128, EN 50129, EN 50159)
- Functional Safety Certified Engineer Development
- V-Modell
- Test Management
- Requirements engineering
- FMEA & FTA
- Hazard and risk analysis


Dipl.-Ing. (FH)
Alexander Milosavljević
Lecturer for module 5 “Practice
Work Experience (Excerpt):
- Active in railroad technology for 24 years
- Managing Director, Chairman and Principal Consultant of InterEngineer GmbH
Expertise (excerpt):
- Safety Management, Safety Engineering
- Functional safety (IEC 61508, EN50159, 50126, 50128, 50129, 50657)
- System and process analysis (Rational, UML, SysML)
- Maintenance processes
- Documentation of complex systems/processes