Dr. Yong-hui Jiang is Professor and Vice Chairman of Genetics, Neuroscience, and Pediatrics at Yale School of Medicine and Chief of Medical Genetics of Yale New Haven Hospital. Dr. Jiang is a physician scientist and active practicing physician at Yale Childrens Hospital and Yale Hospital.  He received his MD at Shanghai Medical College of Fudan University with highest honor in China and his PhD in Human and Molecular Genetics at Baylor College of Medicine under the mentorship of Arthur Beaudet.  He completed a residency in pediatrics and fellowship in clinical genetics and medical biochemical genetics at the Texas Childrens Hospital and Baylor College of Medicine.  He is board certified in Clinical Genetics and Medical Biochemical Genetics by American College of Medical Genetics and Genomics. His clinical interest is inborn error of metabolism and genetic evaluation of neurodevelopmental disorder and rare genetic disorders. He is Director of Yale National Organization of Rare Disease Center of Excellence for Rare Diseases. Dr. Jiang is the Principal investigator of Yale Diagnostic Center of Excellence for Undiagnosed Diseases, a clinical site of NIH Undiagnosed Disease Network.  Jiangs research program focuses on to investigate molecular and neurological bases of human neurodevelopmental and neurobehavioral disorders with focus on autism spectrum disorder (ASD), Angelman and Prader, Phelan-McDermid, PURA, TUSC3, and HIST1H1E syndromes in human and model organisms. He is the leading principal investigator for 3 large NIH consortium projects including a $40 million grant from NIH Center Advanced Translational Science to develop a CRISPR gene editing based treatment for neurogenetic disrase