Tadej Battelino completed his medical degree at the University of Ljubljana in 1990. He completed a Masters degree, and later a PhD focusing on glucose metabolism in neonatal endotoxic shock in 1996. He completed his clinical fellowship at Loyola University of Chicago, USA, and his postdoctoral fellowship at INSERM, Paris, France. Professor Battelino is currently Consultant and Head of Department of Pediatric and Adolescent Endocrinology, UMC Ljubljana, Head, Chair of Paediatrics, and Professor of Paediatrics at Faculty of Medicine, University of Ljubljana. He is PI on several research projects in the field of pediatric endocrinology and metabolism and was awarded the Slovene national award for research in 2014, and Gold medal for research at the University of Ljubljana in 2017. Professor Battelino is on the editorial boards for the journals Paediatric Diabetes, Journal of Pediatric Endocrinology and Metabolism and was Editor for the European Journal of Endocrinology from 2009 to 2015. He has authored or co-authored over 200 manuscripts in international peer-reviewed journals and participated in chapters to several books. Professor Battelino is a member of numerous professional associations including the American Diabetes Association, European Society for Paediatric Endocrinology and the International Society for Pediatric and Adolescent Diabetes, for which he served as President for the 35th Annual Congress. He served on the European Association for the Study of Diabetes (EASD) council and is the co-organizer of twelve annual meetings of the ATTD (Advanced Technologies and Treatment of Diabetes). Professor Battelino is a regular member of the Slovene Medical Academy and the European Academy of Sciences and Arts.