Sergej M. Ostojić (Sports and Clinical Nutrition) – Ph.D., received medical degree from the University of Belgrade School of Medicine and obtained MSc in Medical Sciences, Medical Specialist degree, and Ph.D. in Medical Sciences at the University of Belgrade. His postdoc and CME education include training in mitochondrial medicine (Mayo Clinic College of Medicine and Science), and nutrition and metabolism (Harvard Medical School and Harvard T.H. Chan School of Public Health). He is currently a full professor of Medicine at the University of Novi Sad, head of Applied Bioenergetics Lab, and adjunct professor at the University of Belgrade School of Medicine. He authored and co-authored 221 peer-reviewed articles in multidisciplinary journals, 180+ invited lectures and conference abstracts; 25 book chapters, and 14 books. He is a member of the American College of Physicians, the American Society for Nutrition, the American Physiological Society, the American College of Sports Medicine, and the Nutrition Society.