His research is concerned with the adoption of sustainable technologies, behaviours and practices, which he investigates in consumer as well as organizational contexts. Marius is currently leading a multinational research project, which investigates how businesses implement ecological objectives into the development of new products and services, ultimately 'creating more with less'. His research is sponsored by the Product Development and Management Association (PDMA). Before pursuing an academic career Marius worked as an Economist for the Department for Work and Pensions in London, during which he conducted strategic analyses in areas of social-welfare and labor market politics as well as climate change.