Assistant Professor of Pharmacology, granted by the University of Florence, since November 1st 2007; Head of Newborn Screening, Clinical Chemistry and Pharmacology Lab, Meyer Children’s Hospital, Florence, Italy, since 2011; Associate Professor of Clinical Biochemistry and Clinical Molecular Biology, granted by the University of Florence, since November 1st 2015; Qualified as full Professor of Clinical Biochemistry and Clinical Molecular Biology, granted by the University of Florence, since November 1st 2016; He is (2018-22) the President of the Italian Society for the Study of Inherited Metabolic Diseases and Newborn Screening (SIMMESN); He is Member of Directive Council of Society for The Study of Inborn Errors of Metabolism (SSIEM); He is the President of the Mass Spectrometry Centre of the University of Florence; He was a member of the CLSI (Clinical Laboratory Standard Institute) Advisory Board for the revision of USA Guidelines on Expanded Newborn Screening by Tandem Mass Spectrometry; He is a member of the Italian Council for Expanded Newborn Screening by Tandem Mass Spectrometry, Ministry of Health; He is (2019-25) member of the SSIEM Council (Society for the Study of Inborn errors of Metabolism); He is coordinator of several national research granted projects Prof. la Marca has been an invited lecturer to more than 120 national and international meetings and he has authored more than 160 peer-reviewed publications and 5 patents dealing with areas of newborn screening, clinical chemistry (biochemical discovery), metabolic disorders, metabolomics, paediatrics, mass spectrometry and pharmacology. Total IF >500; H Index 45 Prof la Marca received several award in his career: Porcellino Prize 2011 by City of Florence for research activity in pediatric preventive medicine -Young Researchers Prize 2012 Meyer Hospital/University of Florence for research in pediatric clinical chemistry; Paul Harris Prize 2012, for research in pediatric preventive medicine -“Excellence of the Year” prize, 2013, Lions Club, Scandicci, Florence”; International Society for Neonatal Screening: ISNS Dussault Medal 2014 to “honour a researcher who has made a significant contribution to neonatal or other population-based screening which is recognized as such”.; Voa Voa Award 2015: “For personal and professional commitment made in the pediatric research and application of concrete scientific solutions for the benefit of society as a whole.