Cathleen Berger is an experienced professional specializing in research, strategy, and policy, with a focus on environmental sustainability, digital governance, and disinformation. Currently serving as Co-Team Lead (Research Director) at Bertelsmann Stiftung, Berger co-directs the “Upgrade Democracy” team, addressing counter-disinformation efforts in digital spaces. Previous roles include Director of Strategy and Impact at Climatiq, where Berger managed the B Corporation certification process and led content marketing initiatives. At Mozilla, Berger held various leadership positions, including Head of Environmental Sustainability, developing strategies for greenhouse gas emissions assessment and fostering a sustainability culture. Berger has also contributed to international cyber policy as a consultant for Global Partners Digital and as a policy strategist at the German Federal Foreign Office. Additional experience includes academia as a visiting lecturer and research assistant at reputable institutions.