Market mechanisms in climate policy, Clean Development Mechanism, development of the future international climate policy regime, influence of interest groups on national climate policies. Member of the CDM Executive Board's Registration and Issuance Team. Lead author of the chapter on international agreements in the 5th Assessment Report of the Intergovernmental Panel on Climate Change due in 2014 and wrote on mitigation policies in the 4th Assessment Report of the Intergovernmental Panel on Climate Change published in 2007.