Silvia del Cerro, MS, RDN, is a nutritionist of the Secretary of Public Health of the Municipality of Rosario, Province of Santa Fe, Argentina. She is currently part of the Child Development Project, whose focus is on the first 1,000 days of life to achieve development that enhances the population's growth potential in situations of socioeconomic vulnerability and/or affective bonding, working with pregnant people and children up to 3 years of age. Previously, she worked for more than two decades at the Vilela Children's Hospital in Rosario, where she deepened her training in pediatric nutrition, especially in the nutritional therapy of inborn errors of metabolism. In this hospital, she was in charge of the Food and Lactation Service, acquiring extensive experience in the hospital, including food service and personnel management. Her research includes clinical nutrition, the development of dietary guidelines, and the validation of a food frequency questionnaire for the adult population in Argentina. Her Master´s and license in nutrition were completed at the National University of Salta, Argentina.