Nikolai is part of ICLEI Europe’s Sustainable Resources, Climate and Resilience team, working to support cities in their circular economy transition, with climate and energy planning and with bio-economy related issues. Prior to joining ICLEI, Nikolai worked as a Junior Researcher at the Institute of Social Ecology in Vienna working on Material Flow Analysis (MFA) and circular economy research. He began his career as an Intern at the United Nation’s International Atomic Energy Agency (IAEA) in Vienna, where he went on to work as a Consultant for several years.