Marcello Ciaccio is a Professor of Clinical Biochemistry and a Director of the Section of Clinical Biochemistry and Clinical Molecular Medicine at the Department of Biopathology and Medical and Biotechnologies at the University of Palermo, Italy. He is the Director of the Complex Operating Unit of Analysis of Laboratory Medicine-CoreLab of the A.O.U.P. Palermo. He is the Chair of the Italian Society of Clinical Biochemistry and Clinical Molecular Biology (SIBioC). He received an MD at the University of Palermo. He was a Residency in Endocrinology at the University of Florence. He is a member of the Italian Society of Biochemistry and Molecular Biology (SIB), Italian Society of Internal Medicine (SIMI), Italian Society of Endocrinology (SIE), Italian Society of Human Nutrition (SINU), Italian Society for the Study of Atherosclerosis (SISA), etc.