Dr Göran Berndes is associate professor for Physical Resource Theory at the Department for Energy and Environment of Chalmers University of Technology in Göteborg (Sweden), researching the development of energy systems and of land use, He is international leader of IEA Bioenergy Task 43 and also a member of several other international expert groups. He served as lead author for the bioenergy chapter in the IPCC Special Report on Renewable Energy Sources and Climate Change Mitigation and currently serves as contributing author on bioenergy and land use for the Fifth Assessment Report of the IPCC. He has an MSc in Engineering Physics and a PhD in Environmental Sciences and Physical Resource Theory.