Prof. Dr. Maria Luz Couce is a Professor of Pediatrics at the Faculty of Medicine of the University of Santiago de Compostela (USC) and a Head of the Pediatrics Division and Director of the Diagnostic and Treatment of Congenital Metabolic Diseases Unit of the Complejo Hospitalario Universitario de Santiago de Compostela (Galicia, Spain). She obtained the degree of Doctor of Medicine in 1992. She has extensive experience of more than 25 years in inherited metabolic diseases (IMDs), including diagnosis, follow-up, treatment, teaching, and research of these pathologies.