Gross is Full Professor of Sports Nutrition and Exercise Physiology at the Faculty of Physical Activity and Sports Sciences of the Technical University of Madrid. Head of the Research Group on nutrition, exercise and healthy lifestyle (ImFINE). Vice-president of the Spanish Nutrition Society. Manager of Exercise is Medicine-Spain. Founding member of Ethernet (Research Network on Physical Activity and Health) and The European Platform Active Ageing in Sports Member of Center for Biomedical Research Network on the pathophysiology of obesity and nutrition (CIBERobn). Deputy coordinator in the HELENA study and responsible for the work package on blood biomarkers. Gross is Full Professor of Sports Nutrition and Exercise Physiology at the Faculty of Physical Activity and Sports Sciences of the Technical University of Madrid. Head of the Research Group on nutrition, exercise and healthy lifestyle (ImFINE). Vice-president of the Spanish Nutrition Society. Manager of Exercise is Medicine-Spain. Founding member of Ethernet (Research Network on Physical Activity and Health) and The European Platform Active Ageing in Sports Member of Center for Biomedical Research Network on the pathophysiology of obesity and nutrition (CIBERobn). Deputy coordinator in the HELENA study and responsible for the work package on blood biomarkers.

Vitamin status in European adolescents: Contribution of the HELENA study to public health