Professor of Clinical Nutrition at Uppsala University, Senior consultant, head of R&D, Theme Ageing, Karolinska University Hospital, Stockholm. Board certified in Geriatric medicine and Internal medicine. Research focus on catabolism in old and chronically ill subjects. >260 peer-reviewed articles. Served as Executive Committee member of ESPEN 2012-2016. Member of the European Working Group on Sarcopenia in Older people. Recently contributing to the GLIM Criteria for malnutrition.