About

Cathleen Berger is a highly experienced strategist who has built up and managed multiple globally distributed, environmental and social impact programmes. Her professional experience spans across sectors: academia, government, non-profit, corporate, and early stage startup. She brings structure to complex challenges, thrives in collaborative and impact-focused environments, and often finds herself driving processes for improving organisational culture, sustainability, and political direction.

She currently works with the Bertelsmann Stiftung as a Senior Expert on future technologies and sustainabilty. In addition, she occassionally advises and works with social purpose companies and organisations on their climate and social impact strategies. Most recently, she lead the B Corporation certification process of a pre-seed climate tech startup, including developing internal policies, diversity, equity, and inclusion (DEI) metrics and strategy, as well as brand voice and content direction.

In earlier roles, she headed up Mozilla‘s environmental sustainability programme, devising strategy for Corporation and Foundation, overseeing data collection, analysis, and visualisation for Mozilla‘s Greenhouse Gas emissions (GHG assessment), planning for mitigation, setting and implementing company-wide emissions reduction targets, and recruiting, training, and working with champions across all parts of the organisation to further amplify a sustainability mindset driving organisational change. Prior to that, Cathleen was responsible for Mozilla’s work on Global Governance, including representing Mozilla at fora such as the G20, the United Nations, or the World Economic Forum and developing policy strategy for the Office of the Chair, identifying emerging trends around technologies and their impact on society.

Other experiences include working within the International Cyber Policy Coordination Staff at the German Foreign Office, as a consultant for Global Partners Digital, a research assistant at the German Institute for International and Security Affairs (SWP), and a visiting lecturer at the Friedrich Schiller University Jena.

In addition, she has held voluntary roles as a fellow at the Centre for Internet and Human Rights (CIHR), a Global Governance Futures fellow at the Global Public Policy Institute (GPPi), an associate at Stiftung Neue Verantwortung (snv) contributing to research as an expert on encryption and strategic foresight in their Transatlantic Cyber Forum, a mentor for feminist tech fellows at the Superrr Lab, an expert on the interplay of technology and sustainability in the World Economic Forum‘s Global Future Council on the Frontier 2030, as well as a Raisina Young Fellow at the Asian Forum on Global Governance.


Cathleen is primarily based out of Berlin, Germany.

You can get in touch with speaker or consultancy requests here. She speaks German and English, and understands requests in French and Spanish.

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