George Papanikolaou is Assistant Professor of Pathophysiology and Human Genetics at the Department of Nutrition and Dietetics (Harokopio University of Athens). He teaches Pathophysiology and Genetics in undergraduated students and in the Postgraduate Program in Applied Nutrition and Dietetics. He graduated from the Medical School, specialized in Internal Medicine in the Departments of Pathophysiology and the First Department of Medicine in the National and Kapodistrian University of Athens. His research work contributed in the discovery of important mechanisms underlying iron homeostasis in humans, such as the role of hepcidin and haemojuvelin in systemic iron homeostasis. His research interests include inherited diseases of iron homeostasis, hereditary anemias, chemical senses and open educational resources.