Mireille van Poppel (1966) is Medical Biologist and Epidemiologist. She works since 2000 at the Department of Public and Occupational Health of the VU University Medical Center and EMGO+ institute. She is Associate Professor within the research line “Sport, Physical Activity and Health”. Within this research line, she worked in the broad field of physical activity and health, predominantly evaluating interventions for promoting physical activity in diverse target groups. In recent years, her focus was more and more on physical activity in and around pregnancy.