Associate professor Dario Rahelic, MD, Ph.D., FACE, FRCP Edin. is a specialist of internal medicine, endocrinologist and diabetologist. He is the director of Vuk Vrhovac University Clinic for Diabetes, Endocrinology and Metabolic Diseases, Merkur University Hospital, Zagreb, Croatia. Dr. Rahelic served as a Board member and Secretary of IDF Europe in biennium 2015-2017 and chair of IDF Young Leaders in Diabetes Programme. He is a president of Croatian Society for Diabetes and Metabolic Disorders of Croatian Medical Association, Executive committee member of Diabetes and Cardiovascular Disease Study Group of EASD, Croatian Endocrine Society, Croatian Society for Obesity and Croatian Society for Endocrine Oncology. Dr. Rahelic published several chapters in Croatian and international books. He was an invited speaker at many Croatian and international conferences. He is an associate professor at Catholic University of Croatia School of Medicine and associate professor at Josip Juraj Strossmayer University of Osijek School of Medicine. He also participates in the teaching of students at the Faculty of Food Technology and Biotechnology. He was visiting scientist at St. Michael’s Hospital in Toronto, Canada, Mayo Clinic in Rochester, USA, and Motol Clinic, Prague, Czech Republic. Ass. prof. Rahelic is a Fellow of American College of Endocrinology (FACE), Fellow of American College of Nutrition (FACN) and Fellow of Royal College of Physicians of Edinburgh (FRCP Edin). He is a visiting professor at the Faculty of Medicine at the University of Skopje, Republic of North Macedonia. He received Young Investigator’s award by Diabetes and Nutrition Study Group of EASD, Etzwiller Rising Star Award, Croatian Endocrine Society award, Award for International collaboration by Macedonian Scientific Association of Endocrinologists, and IDF Award for outstanding service.