Hannah is a researcher at the Potsdam Institute for Climate Impact Research (PIK) in Berlin, where she leads the Policy Evaluation Lab. Her work is grounded in environmental and health economics and focuses on evaluating the impacts of public policies and informing their design. Previously, she completed a postdoctoral position at the Mercator Research Institute on Global Commons and Climate Change, including a research stay at Harvard University. She holds a PhD in Economics from the Technical University of Berlin.