Univ.-Prof. Dr.-Ing. Stefan Bracke studied mechanical engineering at the University of Bochum and completed his doctorate in the field of quality assurance in product recycling. After working at Porsche AG and the Cologne University of Applied Sciences, he has been Professor of Reliability Engineering and Risk Analysis at the Faculty of Mechanical Engineering and Safety Engineering at the University of Wuppertal since 2010. He was also accepted as a visiting professor at Meiji University in Tokyo, Japan, from 2016 - 2019. The focus of his research and teaching is on reliability engineering and risk analysis in the development, manufacture and field use of technical products.Univ.-Prof. Dr. rer. pol. Ralf Pieper, graduate economist. After studying economics at the University of Kassel, Ralf Pieper was a research assistant at the Federal Institute for Occupational Safety and Health in Dortmund. Since 2003, he has been head of the Chair of Safety and Quality Law at the Faculty of Mechanical and Safety Engineering at the University of Wuppertal. Ralf Pieper is editor-in-chief of the journal "sicher ist sicher" and author of scientific commentaries on occupational health and safety law.