Mei Baker, MD, FACMG is a professor in the Department of Pediatrics, and Co-Director in the Newborn Screening Laboratory at the University of Wisconsin School of Medicine and Public Health. Dr. Baker practiced medicine before being trained in both biochemical and molecular genetics, obtaining a clinical biochemical genetics certification from the American Board of Medical Genetics and Genomics in 2009. She has 15 years of experience in routine newborn screening (NBS) with specific interest in, and a successful track record of, applying emerging technologies to implement new screening tests for disorders and to improve ongoing screening tests. She is one of the leading scientists who made Wisconsin the first state in the nation to implement universal NBS for severe combined immunodeficiency (SCID) in 2008. She is a principal investigator for an project of “Establishing a Newborn Screening Process for Early Identification and Treatment of Infants with Pompe Disease.” She is currently responsible for cystic fibrosis NBS using next generation sequencing technology. Dr. Baker is a member of the Advisory Committee on Heritable Disorders in Newborns and Children, and chair of the Newborn Screening Technical Assistance and Evaluation Program (New STEPs) Steering Committee.