Kathrin Zeller serves as the Senior Manager for the Waste to Resources Network at C40, aiming to accelerate the transition from solid waste management towards sustainable materials management. In her most recent experience in Germany she worked at a municipal PPP for waste treatment in the city of Cologne within their international projects. Before that she served as a project coordinator for climate, environment and energy topics at the Konrad Adenauer Foundation in Rio de Janeiro. One of her projects was to help establish the Brazilian city network CB27. Kathrin holds a Master’s from the University of Cologne in Regional Sciences of Latin America with a focus on theory of economic and social policy, and an MBA of the Leuphana University Lüneburg in Sustainability Management. Kathrin is based in the office in Rio de Janeiro and speaks German, English and Portuguese.