Nicholas Ah Mew, M.D., completed his medical genetics training at the National Institutes of Health National Human Genome Research Institute in Bethesda, MD, and joined Children's National Hospital in 2010. He is the director of the metabolic liver transplant program at Children's National. He is also the co-metabolic clinic director. His clinic interests focus on urea cycled disorders. His research interests are also focused on urea cycle disorders and he is the site principal investigator for the Urea Cycle Disorder Consortium at Children’s National.