 Both her internship and residency were focused in pediatrics, while her two fellowships were focused in Molecular Genetics and Clinical Genetics.Chung directs the Pediatric Heart Network Genetic Core, the Pediatric Neuromuscular Network Molecular Core, the New York Obesity Center Molecular Genetics Core and the Diabetes and Endocrine Research Center Molecular Genetics Core, among her positions.She holds board certifications in Clinical Genetics and Genomics (MD).