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, and his postdoctoral fellowship at INSERM, Paris. Tadej 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 paediatric 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 Metabolismand was Editor for the European Journal of Endocrinologyfrom 2009 to 2015. He has authored or co-authored over 200 manuscripts in international peer-reviewed journals and participated chapters to several books. Tadej Battelino is a member of numerous professional associations including the European Society for Paediatric Endocrinology and the International Society for Pediatric and Adolescent Diabetes, for which he served as President for the 35thAnnual Congress. He served on the European Association for the Study of Diabetes (EASD) council and is co-organizer of eleven 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.