Dr. Liao is a laboratory director and associate professor in the Department of Pathology and Cell Biology at the Columbia University Irving Medical Center. He is ABMGG Board certified in both Clinical Cytogenetics and Clinical Molecular Genetics. He also serves as the Associate Program Director for Laboratory Genetics and Genomics (LGG) Fellowship Training at Columbia. His research areas of interest include new disease gene and variant discovery, novel technologies for genetic diagnosis, prenatal testing and screening, and expanded carrier screening.