After completing his clinical training in pediatrics in Italy, Dr.Rinaldo went to Yale University to be trained in the laboratory evaluation of inborn errors of metabolism by Dr. Kay Tanaka, by many considered the pioneer and "father" of the Organic  Acidemias.  Since 1998, he is the Director of the Biochemical Genetics Laboratory in the Division of Laboratory Genetics, Department of Laboratory Medicine and Pathology at the Mayo Clinic in Rochester, MN. Dr. Rinaldo is a Professor of Laboratory Medicine, Chair of the Division of Laboratory Genetics, and holds joint appointments in the Departments of Pediatrics and Medical Genetics.  He has more than twenty years of experience in the study of inborn errors of metabolism and has published extensively on the subjects of clinical biochemical genetics, organic acidurias, metabolic causes of sudden death, fatty acid oxidation disorders, newborn screening, and tandem mass spectrometry.  Dr. Rinaldo has held positions in several medical and advisory boards of parent organizations, including the Organic Acidemia Association, as well as editorial boards and national committees of professional organizations.  He was recently appointed to the Health and Human Services (HHS) secretary advisory committee on inheritable disorders in newborns and children.