Katja Siefken Editor

Katja Siefken is a professor for physical activity and health at the Medical School Hamburg, Germany. Her research focuses on the prevention of non-communicable diseases through physical activity and sport/health for development interventions with a specific focus on low- and middle- income countries.

Andrea Ramírez Varela is an assistant professor at the Faculty of Medicine at Los Andes University. Since 2014, she has been the coordinator of the Global Observatory for Physical Activity and a board member since 2020. She is the secretary of the newly formed Latin American Society for Physical Activity and Health Research and a board member of the International Society for Physical Activity and Health.

Temo Waqanivalu is a program officer in the Surveillance and Population-Based Prevention unit of the Prevention of Non-Communicable Diseases (NCD) at the World Health Organization (WHO) in Geneva, Switzerland

Nico Schulenkorf is an associate professor of sport management at the University of Technology Sydney, Australia. His research focuses on the social, cultural, and health-related outcomes of sport and event projects in disadvantaged communities.