Her research focuses on inborn errors of metabolism. She is also director of the Biochemical Genetics Laboratory at the Kennedy Krieger Institute.Dr. Kratz received her undergraduate degree from Western Maryland College and her doctorate in human genetics from the University of Maryland at Baltimore. She completed a post-doctoral fellowship in biochemical genetics at the University of Colorado Health Sciences Center and later became board certified in biochemical genetics.Prior to joining Johns Hopkins and the Kennedy Krieger Institute, Dr. Kratz was the assistant director of the biochemical diseases detection laboratory at Yale University.Dr. Kratz is a member of the American Society of Human Genetics and the Society for Inherited Metabolic Disorders.