Rate My Professor Marie Löf

Marie Löf is Professor of Nutrition at the Department of Medicine, Huddinge, Karolinska Institutet, where she leads the IMPACT research group dedicated to using mobile phone technology to promote physical activity and nutrition, particularly for preventing overweight and obesity in pregnancy and childhood. She obtained her Master's degree in nutrition from Stockholm University in 1997, PhD in nutritional physiology from Linköping University in 2004, and Associate Professorship (Docent) in nutritional physiology from Linköping University in 2009. Her career trajectory includes Professor at the Department of Health, Medicine and Caring Sciences, Linköping University (2018-2022), Professor at the Department of Biosciences and Nutrition, Karolinska Institutet (2022-2024), and her current position. She also serves as Honorary Professor in the School of Exercise and Nutrition Sciences, Deakin University, Australia (2019-2025). With over 25 years of teaching in nutrition, medicine, physiotherapy, and nursing at Linköping, Uppsala, and Karolinska Institutet, she coordinates the Centre for Nutrition and contributes to the Master's programme in Nutrition Science.

Her research focuses on early-life obesity prevention, interactions between physical activity, sedentary behavior, and overweight in young children, and mHealth for diet/physical activity assessment and interventions in maternity/child health, including gestational diabetes self-management. Key projects encompass HealthyMoms (app for pregnancy lifestyle), MINISTOP (childhood obesity prevention in healthcare), SPARK (gestational diabetes platform), and Health4Life (parental digital tool). Prominent publications include 'Accelerometer data collection and processing criteria to assess physical activity and other outcomes: a systematic review and practical considerations' (2017), 'Role of physical activity and sedentary behavior in the mental health of preschoolers, children and adolescents: a systematic review and meta-analysis' (2019), 'Global matrix 4.0 physical activity report card grades for children and adolescents' (2022), and 'Opportunities and Challenges for Precision Nutrition in Gestational Obesity Management' (2026). Her contributions extend to EU-funded projects and international collaborations on digital health and movement behaviors.