Carolina Arias Pefaur is an Academic , Associated Profesor University of Chile since 2011.Pediatric Neurologist ,University of Valparaiso since 2010. She works in the Genetic and Metabolic Diseases Laboratory (LABGEM) University of Chile ,National reference center for inborn errors of metabolism, Institute of Nutrition and food technology  (INTA), Fernando Monckerberg Barros ,University of Chile since 2010.Director of the Center of Diagnosis Institute of Nutrition and food technology University of Chile. (CEDINTA) (2025)Academic training pediatric metabolic disease: Graduated in metabolic diseases in Children’s , University of Chile (2011) . Metabolic and genetic unit , Boston Children's Hospital , Harvard University (January- feb 2011) , Diagnostic center of molecular diseases (CEDEM)  Autonomous University of Madrid November 2014 ,Metabolic unit San Joan de Deu Barcelona September - November (2016) , Santander University Grant for young researchers (2016 ). Master in neurometabolism and cell biology for clinicians , University of barcelona 2023-2024 Lines of Research and publications : aminoacidopathies (PKU, Tyrosinemia type 1) , organic acidemias,  (GA-1,AP,AMM), Brain energy metabolism (GLUT-1 deficiency) Active member of Scientific Society: Latin American society of inborn errors of metabolism and newborn screening (SLEIMPN) , Society of Childhood and Adolescent Neurology Psychiatry (SOPNIA)