- Co-Guest-Editor for a Special Issue of Climatic Change on Climate Justice (Climatic Change 133 (3), published in December 2015);
- Expert Reviewer of the Working Group (WG) III contribution to the IPCC Fifth Assessment Report (AR5);
- Representative of ETH Zurich at UNEP’s First Global Intergovernmental and Multi-stakeholder Consultation on the fifth Global Environment Outlook Report (GEO-5), 29-31 March 2010, United Nations Environment Programme (UNEP), Nairobi, Kenya;
- Founding member of the Zurich Network for Interdisciplinary Climate Research;
- Founding member of the Zurich Carbon Market Association;
- Co-research analyst for the German Advisory Council on Global Change (WBGU, 2005-2007)
- Peer Reviewer for the GHG Protocol Initiative: Review of the publications on the standardization of Greenhouse Gas accounting on the corporate level.