Ester Villalonga-Olives is a Social Epidemiologist. She is a Sociologist and PhD in Biomedicine and has studied and performed her research in Spain, Italy, Germany, the UK and the US. She is a research scientist of the Department of Medical Psychology and Medical Sociology, at the University Medical Center of the Georg-August-University of Goettingen, and a research fellow of the Department of Social and Behavioral Sciences, at the Harvard School of Public Health. Her research interests are related to the study of health related quality of life in children, the measure of stress and its relationship with mental health, perceived health of migrant people and its relationship with health inequalities, and the use of techniques such as structural equation modelling. Some of the articles that are part of her dissertation in Biomedicine have received young investigator awards at international conferences. She has also been a member of scientific and organizing committees at several international events. In 2013, she received an Award of Excellence from the International Society for Quality of Life Research in recognition of superior achievements for her work related to perceived health in migrant children. At present she is part of the scientific committee of the next Epi Worldwide conference to be held in Alaska this year. She is currently the head of the European Young Epidemiologists group, the European delegate of the Early Carreer Epidemiologist worldwide group, and a member of the International Epidemiology Association board.