Claus joined the Novo Nordisk Foundation in 2019 to lead activities in the Biotech area that covers biological solutions for agriculture, food systems and energy. He has been Professor of Biomass and Bioenergy at Copenhagen University (~20 years). Claus has a long academic and industrial career as researcher and professor (PhD. From University of Copenhagen). He has led large research programmes and is the inventor on several patents. His previous work spans fundamental research on enzymes and microorganisms, industrial process development and scaling, international advisory committees and environmental impact assessment.