Sibila Marques has a degree in Psychology from the Faculty of Psychology of the University of Lisbon and a PhD in Social Psychology from ISCTE-IUL - Instituto Universitário de Lisboa. She is a researcher at the Center for Research and Social Intervention and teaches as an Assistant Professor in MSc courses at ISCTE-IUL. She is currently the Director of the Master in Social Psychology of Health.

Her work has focused on the application of Social and Community Psychology to the understanding of themes with a relevant social impact, especially in the area of health and well-being of communities and individuals. In this sense she has developed work in two priority areas: Social Psychology of Aging and Social Psychology of the Environment. In this field she has presented her work in national and international congresses and public events, and has publications in journals with high impact in the scientific community. She has also developed activities in European and national projects in this field. She is currently part of the Eurage group (www.eurage.com) and has taken on the scientific coordination at ISCTE-IUL of the European projects SIforAGE (FP7) and INHERIT (H2020). She is also the author of the essay "Discrimination of the elderly" published by the Francisco Manuel dos Santos Foundation in 2011. She is also a frequent appearance in the media to discuss topics related with her subjects of research.