Prof. Dr. Claudio Nigg is Chair of the Health Sciences Department at the Institute of Sport Science, University of Bern, Switzerland. He received his education in Psychology and Kinesiology at the University of Calgary and Psychology at the University of Rhode Island. Prof. Dr. Nigg specializes in motivation of physical activity and multiple health behavior changes in community and population settings. In his research projects, he has worked with various populations representing different ethnic groups across the developmental lifespan, including children, youth, adults, and seniors. His scientific expertise is documented by his h-index of 59 and his number of citations, which is 16,983 (Google Scholar, November 2021).