Maren holds a PhD scholarship by the German Academic Scholarship Foundation and works as a freelance lecturer at Karlshochschule International University in Karlsruhe. Before her PhD studies, she worked in the energy efficiency service sector and as Coordinator for Research and Teaching at the Karlsruhe University of Applied Sciences. Her research focus is on sufficiency-oriented business models and consumer practices, where she discusses how business models change with a sufficiency orientation and how they can support consumers in living more sustainably. www.mareningrid.wordpress.com.