Ralf Wagner serves as professor of Sustainable Marketing at the University of Kassel, Germany. He holds a Ph.D. from Bielefeld University, Germany. Recent publications address consumers; disposal behavior, integration of citizens living at the base of the pyramid, branding, and relationship maintenance. The award-winning scholar contributes to public policy by providing sustainability advice to national and federal authorities as well as aviation and tourism service companies.
October 26, 2023