Professor Tadej Battelino completed his medical degree and a PhD focusing on glucose metabolism in neonatal endotoxic shock at the University of Ljubljana, Slovenia. He completed his clinical fellowship at Loyola University of Chicago, Chicago, USA and his post-doctoral fellowship at INSERM, Paris, France. He is currently Consultant and Head of Department of Pediatric and Adolescent Endocrinology, University Medical Centre, Ljubljana, Slovenia; and Head, Chair of Paediatrics, and Professor of Paediatrics at Faculty of Medicine, University of Ljubljana. He is a principal investigator on several research projects in diabetes, endocrinology and metabolism. He was awarded the Slovene national award for research in 2014, Gold Medal for research at the University of Ljubljana in 2017, the ISPAD Achievement Award in 2020, and the Presidential Medal from Children with Diabetes society in 2022. He serves on the editorial boards for the journals Diabetes Care, Journal of Pediatric Endocrinology and Metabolism and Acta Diabetologica, and was Editor for the European Journal of Endocrinology from 2009 to 2015. He is a member of 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.