The process distinguishes between three roles: the Customer Representative,
the Development Team, and the Sustainability Executive. The Customer Representative
represents the organization or the users who finance and use the software.
The Development Team is responsible for developing the software as well as for
improving the software with regard to sustainability-related non-functional
requirements. The Sustainability Executive is responsible for continuous Process
Assessment, organizing the Review and Preview meetings, and compiling a final
report with the key figures and findings of Reviews, Previews and Process
Assessment.