Director of the research unit Global Governance at the WZB Berlin Social Science Center and Professor of International Relations at the Free University Berlin since 2004. Co-spokesperson of the Cluster of Excellence “Contestations of the Liberal Script” (SCRIPTS) from 2019 to 2023. Founding Dean of the Hertie School of Governance (2004−2009) and Co-Founder of the Berlin Graduate School for Transnational Studies.