Research

  1. Global Governance Frameworks: Author of a widely cited analytical framework that now serves as a cornerstone for studying governance beyond the state.
  2. Empirical Innovations: Pioneered research on city networks, public-private partnerships, and private rule-making in climate, forestry, and marine governance.
  3. Complexity & Fragmentation: Applied concepts from complexity theory to map and explain institutional architectures across environmental domains, producing the field’s reference work on governance fragmentation.
  4. Anthropocene Governance: Among the first to integrate the Anthropocene concept into political science and global governance debates.
  5. Global Databases: Developed novel, policy-relevant databases on International Cooperative Initiatives (ICIs) across climate, biodiversity, food, and energy.
  6. Impact-Oriented Research: Directly contributed to the Action Agenda on climate and biodiversity through policy advice to PBL, the European Commission, and UN processes.