Silvia holds a Nutrition Degree from the Universidad Nacional de Colombia (Bogotá), and an M.P.H. from the School of Government and the School of Medicine at the Universidad de los Andes (Bogotá). Her current research interests include physical activity, nutrition and built environment among the populations of children and adults in Latin America. As a Research Associate of the Group of Epidemiology at the Department of Public Health at the School of Medicine at the Universidad de los Andes she was a co-investigator of the projects: Longitudinal evaluation of the spread of behaviors related with overweight and obesity in school aged children: A social network analysis, The evaluation of the effectiveness of Muévete Escolar for the promotion of physical activity among school-aged children, The evaluation of Ciclovías Recreativas programs as strategies for the prevention of non-communicable diseases and social inclusion through physical activity promotion, and Our Voice in the city: An approach to urban environments from the Citizen Science to build healthy cities. She was a research assistant of The International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE), and she was the main coordinator of the first and second Report Card on Physical Activity for Children and Youth in Colombia. Currently she is a co-investigator of the Physical Activity and Sedentary Behaviors component of the National Nutrition Survey for Colombia 2015. She is an executive committee member of the Active Healthy Kids Global Alliance.