Bellar has dedicated his career to being an educator and leader in health-focused higher education. He has built expertise in exercise science, human performance and sports nutrition research and has been awarded three U.S. patents in these fields. He has more than 130 peer-reviewed publications and has been awarded significant grant funding from both governmental and private sources to support his research. He is a fellow of the National Strength and Conditioning Association and the American College of Sports Medicine and a research fellow of the Society of Health and Physical Educators. He has held leadership positions within the American Kinesiology Association, USA Track and Field, and the National Strength and Conditioning Association. He served as the inaugural co-editor of the Journal of Health and Physical Literacy. He is an associate editor for Sport and Exercise Nutrition - Frontiers in Nutrition and Frontier in Sport and Active Living. Bellar holds a doctorate degree in exercise physiology, a master of education degree and a bachelor’s degree in biology/life science chemistry.