Stefan A. Wiesner has a diploma in Industrial Engineering and Management (focus on Project Management and Development of Production). He has been working as a research scientist for BIBA in the department of ICT applications for production (IKAP) since 2007. His research interests are in the field of collaborative Requirements Engineering and Business Model innovation for complex Cyber-Physical Systems (CPS) and Product-Service Systems (PSS). Mr. Wiesner has been the responsible manager for several European projects, subprojects and work packages in these areas (ESKALE ERA-NET, MSEE IP, PSYMBIOSYS RIA, inter alia). Contributions and publications include the development and application of a game-based Requirements Engineering framework and a Business Modelling methodology for PSS, supporting the implementation in industrial companies. He is active in the IFIP 5.7 SIG on Smart Manufacturing with the aim to integrate PSS and CPS concepts.