Marius is a consultant for communication, politics and strategy, as well as being a publisher, an entrepreneur and a journalist. He works for the Ecologic Institute think tank on the themes of bioeconomy, circular economy and ecosystem services. As a freelancer, he works for various agencies in the fields of strategic communication, advocacy, public affairs and conducting campaigns, as well as working in the field of scientific communication and as a copywriter.
As co-director and joint publisher of transform magazine, a German-wide print and digital publication on sustainable living, he also writes freelance for German weekly der Freitag, Süddeutsche Zeitung and Frankfurter Allgemeine Zeitung. Marius is very well connected in the social media sustainability sphere, ranking among Twitter's 'sustainable 100'. Alongside these activities, he is an urban beekeeper and manages the social media and press work of the 'Stadtbienen e.V.', a Berlin non-profit for beekeepers in the city, and can be spotted as a speaker at media and sustainability events.