Arne Astrup is Head of The Department of Nutrition, Exercise and Sports, Faculty of Science, University of Copenhagen, Denmark. Director of the Nordea Foundation funded OPUS research centre. Created Knight of the Order of Dannebrog 1999, and Knight of the First Order of Dannebrog 2012. Medical degree 1982 & Doctorate in Medical Science 1986, University of Copenhagen. Professor of Nutrition at the Research Department of Human Nutrition, Royal Veterinary and Agricultural University, Denmark, in 1990. Main areas of interest: physiology and pathophysiology of energy and substrate metabolism, etiology and treatment of obesity. Major research collaborations include EU multi-centre studies EUROSTARCH, CARMEN, NUGENOB, DIABESITY, DIOGENES, EMOB, and HEALTHGRAIN. Associate Editor of American Journal of Clinical Nutrition and member of the Editorial Board of Annual Reviews of Nutrition.